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Your search results for Technique returned 162
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2D NMR Spectroscopy |
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Description: This site provides a concise, but
thorough introduction to NMR spectroscopy with a focus on 2D NMR.
This site will be most useful for students with some introductory
background in NMR. The basic principles of common 2D NMR experiments
are presented and illustrated with spectra. Instructors wanting to
illustrate the appearance of a TOCSY, NOESY, or COSY spectrum to an
undergraduate class will also find useful information on this web
site.
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A
Beginners Guide to Ion-Selective Electrode Measurements |
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Description: A relatively comprehensive presention
of the theory, types, practices, and errors associated with ion
selective electrodes. Information is listed in a hyperlinked table
of contents. The last part of the site contains a glossary of terms.
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A Glossary for Mass Spectrometry |
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Description: A compilation of some of the more
widely used terms that non-mass spectrometrists may encounter, and
for which a simple definition would be helpful. (3.5 MB PDF file)
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Accuracy and Resolution |
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Description: This is a one-page site focused on
mass accuracy and resolution.
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Adsorption and Chromatography in Bioseparations
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Description: This material was developed for a
final year undergraduate bioseparations module. There are a number
of links to sites for modeling adorption chromatography. For
example, a link to an Excel spreadsheet provides a demonstration of
varying N, l, and K (or alpha)affect band separation. Other links
explain adsorption isotherms in the context of bioseparations.
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Affinity Chromatography |
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Description: This is an experiment showing the
application of affinity chromatography to the separation of albumin
from horse serum. A brief introduction of affinity chromatography
and how it is being used in this specific experiment is given. This
appears to be a good experiment to show the advantages of affinity
chromatography in separating specific proteins from a complex matrix
and would be useful in a biochemistry course or a course that is
specifically looking at differing types of chromatography.
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AJP Martin Nobel Prize Address |
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Description: This site describes the historical
development of partition chromatography. The pedagogical value lies
in its historical perspective rather than its description of
partition chromatography. This site provided a unique historical
perspective on the development of partition chromatography and one
of the pioneers of the technique.
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An Introduction to Ion Chromatography |
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Description: General chemistry handout for an
experiment in anion analysis by ion chromatography. The basic
principles of ion exchange chromatography are described using simple
line drawings. Also covered are retention time, quantitative
analysis, ion suppression and conductivity detection. Some
discussion of the possible significance of finding chloride,
phosphate, and nitrate in natural water samples is given in the
introduction.
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An
Introduction to Surface Chemistry |
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Description: Theoretical and descriptive material
for an introductory surface science course. Topics covered include
structure of surfaces and detailed information on a variety of
surface analytical techniques, essentially an online text.
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Analytical Instruments and Spectroscopic Concepts
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Description: Primers for different analytical
techniques (HTML, PDF). Also links to animations and audio
descriptions of analytically related concepts. Techniques include
atomic absorption, spectrophotometry, chemiluminescence, gas
chromatography, mass spectrometry, and atomic emission.
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Animantion of GC flame ionization detector |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with flame ionization detection in GC. The
animations are short (one to two minutes) and can easily be shown in
class as part of a lecture. They are extremely helpful in
illustrating key components and concepts of chromatographic systems.
Users are encouraged to explore the site and the other brief
animations as well. Separate links to other simulations by the same
company (TRSL) are also listed on ASDL.
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Animated Cyclic Voltammetry Experiment |
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Description: This website provides an introduction
to enzyme electrochemistry ? taking you through an introduction to
electrochemical principles first (e.g., primer on cyclic
voltammetry). The reversible one-electron oxidation of
hydroxy-ferrocene is animated. The physical processes that occur at
each point in the voltammogram as potential is scanned are
described. It includes basic equations such as Nernst, Cottrell,
Randles Sevcik, and relationship for reverse scan. Color graphics
are illustrative including cell design and instrumentation.
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Animated
Infra-Red Spectroscopy (AIRS) |
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Description: Interactive animations of infrared
spectroscopy absorptions for small organic compounds. Click on an
absorption in the IR spectrum to see which atoms vibrate in the
molecular structure. QuickTime software is required to view
animations. Most useful as a teaching tool for introductory courses.
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Animation of diode array detection in HPLC |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with diode array detection for liquid
chromatography. The animations are short (one to two minutes) and
can easily be shown in class as part of a lecture. They are
extremely helpful in illustrating key components and concepts of
chromatographic systems. Users are encouraged to explore the site
and the other brief animations as well. Separate links to other
simulations by the same company (TRSL) are also listed on ASDL.
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Animation of Dual Head HPLC Pump |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with dual head LC pumping. The animations are
short (one to two minutes) and can easily be shown in class as part
of a lecture. They are extremely helpful in illustrating key
components and concepts of chromatographic systems. Users are
encouraged to explore the site and the other brief animations as
well. Separate links to other simulations by the same company (TRSL)
are listed below.
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Animation of GC solvent focusing |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with solvent focusing in gas chromatography. The
animations are short (one to two minutes) and can easily be shown in
class as part of a lecture. They are extremely helpful in
illustrating key components and concepts of chromatographic systems.
Users are encouraged to explore the site and the other brief
animations as well. Separate links to other simulations by the same
company (TRSL) are listed below.
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Animation of pulse dampner in HPLC |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with pulse dampners is LC and could help in a
general lecture about LC pumps. The animations are short (one to two
minutes) and can easily be shown in class as part of a lecture. They
are extremely helpful in illustrating key components and concepts of
chromatographic systems. Users are encouraged to explore the site
and the other brief animations as well. Separate links to other
simulations by the same company (TRSL) are also listed on ASDL.
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Animation of Quadrupole GC-MS detection |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with quadrupole mass spectrometry detection for
chromatography. The animations are short (one to two minutes) and
can easily be shown in class as part of a lecture. They are
extremely helpful in illustrating key components and concepts of
chromatographic systems. Users are encouraged to explore the site
and the other brief animations as well. Separate links to other
simulations by the same company (TRSL) are listed below.
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Animation of sample loop HPLC injections |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with sample loop injections in liquid
chromatography. The animations are short (one to two minutes) and
can easily be shown in class as part of a lecture. They are
extremely helpful in illustrating key components and concepts of
chromatographic systems. Users are encouraged to explore the site
and the other brief animations as well. Separate links to other
simulations by the same company (TRSL) are listed below.
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Animation of single wavelength UV-vis detection for
HPLC |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with single wavelength UV-vis detection for
liquid chromatography. The animations are short (one to two minutes)
and can easily be shown in class as part of a lecture. They are
extremely helpful in illustrating key components and concepts of
chromatographic systems. Users are encouraged to explore the site
and the other brief animations as well. Separate links to other
simulations by the same company (TRSL) are also listed on ASDL.
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Animations in an Instrumental Methods Chemistry
Class? |
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Description: This website provides an introduction
to animations as a tool for teaching instrumental techniques in the
instrumental analysis course - why one might wish to use animations,
some information on how to go about developing them, and it provides
a number of examples of animations for analytical instrumentation.
One problem with the site is tha some of the animations emphasize
instrumentation that is not frequently used today. For example, the
section on ICP shows an instrument with the classical Rowland Circle
configuration and the section on GC-MS shows an animation of a
sector mass spectrometer. Nonetheless, the site should prove a
valuable resource to college educators teaching analytical
chemistry.
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Anodic Stripping Voltmmetry (ASV) |
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Description: This site provides an overview of
anodic stripping voltammetry (ASV) for the analysis of metals. It
begins with a brief discussion of the fundamentals with illustrative
visuals. It describes what happens during the deposition and
stripping of the metals - discusses advantages,interferences and
typical applications of ASV. The site supplements others on ASV
which are mainly focussed on experiments. The PDF presentation is
easy to navigate and understand. It can serve as a supplement in a
lecture setting as well as the laboratory. Although there are pages
referred to at the beginning of the text, the source (book) is not
references.
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Application Notes From LECO |
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Description: Application notes and experimental
protocols for a variety of inorganic and organic analytes. Topics
covered include analysis of food and beverage samples, natural
products, pharmaceuticals, environmental contaminants and industrial
applications. The main techniques described are near infrared
spectroscopy, liquid and gas chromatography, time-of-flight mass
spectrometry and glow discharge optical spectroscopy.
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Applications of Chemometrics |
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Description: Examples of the use of chemometrics in
clinical, petrochemical, and industrial analysis, from
chromatographic and mass spectrometric data (PDF).
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Applications Searchable Site |
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Description: This site is a search engine for
chromatographic and mass spectral methods in the Waters Corporation
database. It searches based on analyte. It pulls up refereed
journals(citations only) and company literature (pdf format). The
site claims 23,500 documents. The site will be useful to those
looking for methods in chromatography, including faculty and
students looking for project ideas for either research or laboratory
experiments.
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Atomic Absorption Instruction Module |
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Description: An introduction to Atomic Absorption
Spectroscopy for the non-chemist or new user.
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Atomic Absorption Spectrophotometry |
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Description: This is a 96 page book on Atomic
Absorption Spectroscopy. If you want All The Details, this is a good
site. Just want an overview? Try something else.
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Atomic and Molecular Databases |
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Description: The Harvard Center for Astrophysics
maintains this site as "one stop shopping" for fundamental
spectroscopic data. Both atomic and molecular constants
(wavelengths, transition probabilities, energy levels) are just a
few clicks away.
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Basic Concepts of Optical Microscopy |
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Description: A comprehensive primer on the basic
optical microscope, as well as the electron, confocal, polarizing,
and stereoscopic microscopes. Virtual microscopes allow the user to
simulate the use of a variety of real-life microscopes. There are
galleries of photomicrographs illustrating a variety of specimens.
This website provides complete instructional materials on the theory
of light and the applications of microscopy to a variety of
analytical problems.
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Basic Liquid Chromatography |
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Description: A complete textbook of liquid
chromatography by Yuri Kazakevich and Harold McNair on the Web.
Extraordinarily comprehensive in its coverage of fundamental
chromatographic theory and instrumentation for a website.
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Basic Mass Spectroscopy |
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Description: This site presents material on
fragmentation and the interpretation of mass spectra. This site also
contains problems consisting of the mass spectra of 5 unknowns along
with solutions for the assignments of the major peaks in the mass
spectra. This site will be most useful for educators as a resource
for lectures on mass spectrometry or for students who want to teach
themselves the basics of MS interpretation.
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Basics of
NMR |
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Description: An online text on the basics of
Nuclear Magnetic Resonance (NMR) spectroscopy. The text contains
information especially appropriate for the novice, but topics are
treated at sufficient depth to be useful for more advanced students.
There is a large number of animations tied to the theoretical topics
addressed. This site is appropriate for both undergraduate and
graduate students as well as instructors interested in NMR
spectroscopy.
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Biochemical Separation Methods |
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Description: This site provides a set of links to
lecture notes (MS Word) and overheads for a Biochemical Separation
Methods course. The information contained in the documents provides
a good overview for separation methods used in biochemical
applications. Gel filtration, ion exchange and bioaffinity
chromatography are covered.
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Candy Chromatography |
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Description: This site contains a lower division
separation experiment using paper chromatography. Dyes from
M&M's and Skittles are dissolved off the candies and then
separated by paper chromatography. It describes a good first year
lab that provides a hands-on experience with chromatography where
the separation can physically be observed.
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Capillary electrophoresis: a versatile family of
analytical techniques |
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Description: This site contains a review article
covering capillary electrophoresis and variations thereof. The
material presented is largely similar to that which can be cfound in
textooks or primers, but this is in a nice condensed version. As the
author states, the article "reviews basic principles behind the
technique and the range of options which allow the same instrument
to be used for the separation and analysis of a wide range of
analytes from large biomolecules, such as proteins and nucleic
acids, to metal and organic ions while having the capability to
resolve enantiomers and non-charged molecules."
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CE and CEC |
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Description: A site with comprehensive coverage of
capillary electrophoresis and capillary electrochromatography. The
links to Primers about CE and CEC are excellent for pedagogical
uses. The links to other websites is also very good. One-stop
shopping for general CE and CEC information.
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Centrifugation |
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Description: This site provides a good introduction
into analytical/preparative centrifugation. The theory and
mathematics of centrifugation and sedimentation are presented. An
animation illustrates the separation of proteins in a sucrose
density gradient. Because of the mathematical basis of the
presentation, this site will be most useful for intermediate-level
students interested bioanalysis.
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CHEM 525 NMR Spectroscopy |
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Description: This site provides both classical and
quantum mechanical descriptions of NMR. Some nuts and bolts aspects
of NMR and the basics of two-dimensional spectroscopy are also
covered. This web site should be informative for graduate students
or professionals seeking a more thorough understanding of the basic
principles underlying NMR spectroscopy.
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Chemical Separations |
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Description: Lecture notes and presentation
materials for an introductory course on chemical separations. The
material ranges from beginning chromatographic theory to more
advanced topics including capillary methods, electrophoresis,
supercritical fluids and field flow fractionation.
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Chemical Separations |
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Description: This site contains complete notes in a
PowerPoint-like presentation for a chemical separations course. It
covers a wide varitey of topics, including distillation, extraction,
gas chromatography, liquid chromatograpy, chromatography theory,
instrumentation, electrophoresis, field flow fractionation, and
affinity chromatography. It covers these topics thoroghly using a
clear, consistent, and simple presentation style. Links to major
topics like GC, LC, and elctrophoresis provide specific information
about the theory, instrumentation, and practice related to these
techniques. Many students will find this, and its companion sites,
quite helpful.
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Chemiluminescence for Chromatography |
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Description: This site is a brief description of
chemiluminescence detection for chromatography.
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Chemistry 160: Physical Measurements and Analysis
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Description: This site contains the laboratory
experiments for both analytical and physical (chemistry)
measurements. The analytical portion has 6 experiments on data
acquisition, AAS, voltammetry (hydrodynamic modulation voltammetry),
anodic stripping voltammetry (ASV), GC-MS, stop-flow kinetics and
HPLC. Experiments are of the quality that they can be used
immediately. They contain extensive references to theory, and have
very good methods summaries. The instructions are completed and
detailed, with guidelines for laboratory reports and data pages. The
experiments use real samples requiring sample preparation. For
example, the determination of copper by ASV uses Cu-based alloys and
bovine liver samples. A link is provided to open an EURACHEM site
that contains an extensive discussion of statistics: Quantifying
Uncertainties in Analytical Measurements. The site is easy to browse
although some figures may not open. Recommended for instructors
looking for tested experiments than can be readily implemented into
their own courses. Instrumentation cited is commonly found, and if
not already available in the lab setting, instruction is sufficient
for adaption to similar instruments.
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Chemistry Experiment Simulations, Tutorials and
Conceptual Computer Animations for Introduction to College
Chemistry |
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Description: This website contains many interactive
animations of various chemical processes, related to
electrochemistry, acid-base chemistry, and stoichiometry. Some of
the animations are most suited for presentations, while most come
with guided inquiry style tutorials that explain how the animation
can be used with students.
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Chemistry-Based QuickTime Movies, Animations, and
Streaming Audio |
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Description: Downable animations and movies for
analytical instruments and processes. Formats in QuickTiime, GIF
animations, and Flash animations.
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Chemometrics |
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Description: An overview of techniques used in data
analysis. Basic statistics, analysis of variance, principal
component analysis, neural networks, and multivariate calibration
are addressed.
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Chrom. and Electrophoresis experiments with PDFs
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Description: A site with PDF links to several slab
gel electropphoresis, HPLC, and GC experiments intended for high
school or college audiences. This site may provide a useful starting
point for faculty seeking to implement new laboratory experiments
based on these techniques.
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Chromatograms/Applications/Conditions |
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Description: This site contains a wide range of
example chromatograms (as PDF files) for various GC stationary
phases, along with the separation conditions. These may be useful to
demonstrate applications of gas chromatography and the range of
columns that are available. This site may also provide the basis for
designing a GC lab around some of the applications shown.
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Chromatography |
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Description: An introductory site about
chromatography that does not go into great depth. However, the
simulation of paper chromatography is worth exploring with students
as it illustrates that the separation of compounds relies on the
difference in the solutes affinities for the mobile phase relative
to the stationary phase. Becuase of its apparent simplicity, this
simulation has significant pedagogical potential and could be used
in a variety of ways in class to explore the factors governing
chromatographic separations.
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Chromatography |
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Description: Multiple links in a broad discussion
of several facets of chromatography - including theoretical and
instrumental aspects. Five modes of chromatography are highlighted:
GC, HPLC, LC, SEC and TLC.
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Chromatography |
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Description: This site provides fundamental
background information about chromatogaphy, including plate theory,
rate theory, the meachanisms of separations, and qualitative and
quantitative aspects of chromatography. The format is a
PowerPoint-like presentation. It is a subsite of a larger, broader
site about chemical separations
(http://ull.chemistry.uakron.edu/chemsep/index.html). The
combination of all of the related sites is quite nice and students
will find them useful.
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Chromatography |
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Description: This site provides a brief qualitative
overview of several modes of liquid chromatography, especially as
they pertain to bioseparations.
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Chromatography Nomenclature and Definitions |
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Description: This website gives the IUPAC approved
definitions in the field of chromatography. It is critical for
students to appreciate the importance of using standardized
nomenclature and definitions.
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Chromatography Theory |
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Description: This site contains standard
definitions related to chromatgraphy similar to treatments found in
analytical textbooks. It introduces the beginning student to LC
concepts relevant to biochemistry and includes a good example of
choosing a mobile phase pH for a protein separation based on ion
exchange.
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Chromatography Theory |
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Description: James Hardy has produced a number of
powerpoint type lecture modules for analytical chemistry. This is
another very good module that covers the introductory theory of
chromatography. Includes chromatography types, plate and kinetic
theories. Level of presentation is at the introductory analytical
chemistry level. It is a colorful and well planned presentation of
the introduction to chromatography that could be used as the basis
for lectures on chromatography at the introductory analytical
chemistry or instrumental analysis level.
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Chromatography theory and modes |
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Description: This site is an introductory lecture
in outline form about chromatography. It appears directed toward
biochemical separations. The coverage is broad but not deep.
Discussions of counter-current separations, gel permeation, and ion
exchange are accompanied by some mention of partition, paper, and
gas chromatography
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Coal
Sampling |
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Description: This USGS method explains the use of
fluxes for preparation of coal for elemental analysis. Useful to
supplement textbooks concerning sample preparation and may be useful
in designing an XRF laboratory experiment.
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Cyclic Voltammetry |
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Description: This site describes a cyclic
voltammetry experiment at a Au electrode to determine the electrode
capacitance (in the presence and absence of octadecane thiol), the
formal potential and diffusion coefficient of ferricyanide, and the
CV irreversibility with Co(NH3)6+3. A tutorial-like discussion of
the above subjects is presented. Experimental procedure can be
readily implemented in courses such as instrumental analysis
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Cyclic voltammetry simulator |
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Description: Simulation program for modeling cyclic
voltammetry responses. Simulator is applicable to a wide variety of
parameters for modeling. Instructional aids in text form include
description of electrochemical reversibility, diffusion,
instrumentation and interpretation of cyclic voltammograms, with
real-time demonstration of parameter changes.
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Dip Pen Nanolithography |
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Description: This website provides a clear,
succinct introduction with good quality graphics to the technique of
dip pen nanolithography. The site also provides numerous references
on the technique from the Mirkin lab (Northwestern) to the
technique.
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DynaFit -
(Bio)Chemical Kinetics and Equilibria |
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Description: This site is the homepage for the
dynafit software, produced by Biokin Ltd. The software, which is
free for academic use, is designed to perform nonlinear
least-squares regression of chemical kinetic, enzyme kinetic, or
ligand-receptor binding data to an arbitrary molecular mechanism
represented symbolically by a set of chemical equations. The user
enters details of the (bio)chemical reacting system in terms of
symbolic, or stoichiometric, equations. Dynafit is only available
for Microsoft Windows (95, 98, NT, 2000).
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Electrochemistry Links |
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Description: Site contains a list of
electrochemistry links under the following headings: accumulators,
batteries, fuel cells, corrosion, instruments and plating.
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Electromagnetic waves and circular dichroism:an
animated tutorial |
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Description: This website provides a tutorial on
electromagnetic waves using animated graphics. The tutorial gives
the student the ability to visualize, plane, and circularly
polarized waves, the superposition of various types of polarized
waves, and the change that results when the EM waves interact with
matter.
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Exclusion Chromatography |
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Description: This site contains a brief description
of the separation mechanism in size exclusion chromatography. The
picture helps visualize the separation, but is a simplified and
idealized presentation. A companion site,
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/AffinityChrom.html,
describes affinity chromatography. The two sites together may be
helpful in a biochemistry course where such techniques are used or
discussed.
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Experiments in Electrochemistry |
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Description: This site is suitable for junior high
and high school students. The website is clear and easy to use and
develops the concepts in a clear and logical fashion, illustrating
how Galvanic/Daniell cells work.
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Fast Scan Voltametry |
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Description: This site contains theory and practice
of electrochemistry from the research of The Compton Group at Oxford
University. The main focus in microelectrodes with short discussions
dealing with microelectrodes, most of which are not found in
textbooks. For example, discussions on fast scan voltammetry, types
of responses for microdisk versus hemispherical electrodes, data
analysis for various electrodes configurations, and coupled hybrid
methods (e.g., sonoelectroanalysis, photoelectrochemistry, etc.).
The material will be most useful to upper division undergraduates
and graduate students who may be learning and conducting research in
electroanalytical methods and applications. Much of the discussion
is illustrated with quality graphics.
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Flame Atomic Absorption |
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Description: In addition to being an introductory
tutorial on Atomic Absorption Spectroscopy, the parent site has
links to a variety of materials on environmental analysis.
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Fluorescence Detection Animation |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with fluorescence detection for liquid
chromatography. The animations are short (one to two minutes) and
can easily be shown in class as part of a lecture. They are
extremely helpful in illustrating key components and concepts of
chromatographic systems. Users are encouraged to explore the site
and the other brief animations as well. Separate links to other
simulations by the same company (TRSL) are also listed on ASDL.
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Fluorescence Polarization Assays |
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Description: This website describes fluorescence
polarization methods and how they can be used to assay
ligand-protein binding. Fluorescence polarization measurements are
important for a variety of bioanalytical applications including
receptor-ligand, protein-protein and DNA-protein binding. This
resource includes a diagram illustrating how the measurements are
performed, the relevant equations, and links to several papers
describing the use of this technique in in protein binding assays.
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Free Statistical Software |
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Description: This site contains an exhaustive list
of free software for statistical analysis. This includes general
statistics, curve fitting, modeling, biostatistics, as well as
various scripts, excel spreadsheets, and programming languages
customized for statistical analysis. Please note, the software list
is so large, ASDL cannot be sure that every program will work
properly.
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FT-ICR theory: a brief review |
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Description:
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Gas
Chromatography |
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Description: This EPA site provides a brief
overview of gas chromatography theory, practice, and
instrumentation. The site is good for someone who is familiar with
GC and is specifically interested in EPA considerations. The
'technology list' link provides links to other instrumental methods
of analysis used by the EPA.
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Gas Chromatography |
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Description: This site provides a good background
treatment of gas chromatography comparable to treatments found in
instrumental analysis textbooks. The PDF contains illustrative
diagrams and data plots. Topics covered include retention theory,
broadening theory in considerable detail, and injection and
detection in GC.
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Gas Chromatography |
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Description: This site contains a brief
introduction to the concepts of injection and detection in gas
chromatography, focusing on the split/splitless injection port and
flame ionization detectors. The treatment is similar to that in
analytical chemistry textbooks.
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Gas
Chromatography Application Notes |
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Description: Application notes presented at 2000,
2001 and 2002 conferences (the conference is not identified).
Applications could serve as a source of experiments for advanced
teaching labs and also assist those interested in solving analytical
problems that involve separations.
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GC books |
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Description: This site contains a list of books
about gas chromatography with their tables of contents. Potentially
useful for practictioners or research students needing an
introduction to GC.
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GC coating animation |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with solute retention in GC. The animations are
short (one to two minutes) and can easily be shown in class as part
of a lecture. They are extremely helpful in illustrating key
components and concepts of chromatographic systems. Users are
encouraged to explore the site and the other brief animations as
well. Separate links to other simulations by the same company (TRSL)
are also listed on ASDL.
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GC Electron Capture Detector Animation |
Details |
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Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with electron capture detectors. The animations
are short (one to two minutes) and can easily be shown in class as
part of a lecture. They are extremely helpful in illustrating key
components and concepts of chromatographic systems. Users are
encouraged to explore the site and the other brief animations as
well. Separate links to other simulations by the same company (TRSL)
are also listed on ASDL.
|
|
GC Splitless Injection Animation |
Details |
|
Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with splitless injection in GC. The animations
are short (one to two minutes) and can easily be shown in class as
part of a lecture. They are extremely helpful in illustrating key
components and concepts of chromatographic systems. Users are
encouraged to explore the site and the other brief animations as
well. Separate links to other simulations by the same company (TRSL)
are also listed on ASDL.
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GC/MS with animations |
Details |
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Description: This site contains a good review of GC
detectors that is linked to animated files describing the hardware
and principles of operation for GC/MS. From this site, one can also
get to multiple other animations about a variety of analytical
topics.
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Glossary of Atomic Absorption Terms |
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Description: Forget the meaning of some term
concerning atomic absorption spectroscopy? Look here for the
definition.
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How Capillary Electrophoresis Sequenced the Human
Genome |
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Description: This site contains an essay written by
Norman J. Dovichi and Jianhzhong Zhang titled "How Capillary
Electrophoresis Sequenced the Human Genome". The 6-page article is
quite informative and discusses the sequencing method used and how
capillary array electrophoresis
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HPLC introduction |
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Description: A good discussion of Ion Exchange
Chromatography. Uses a good glossary as well as a clear
presentation. Focused mainly on protein separation. Also has helpful
animations and figures that illustrate major principles of IEX. The
site also has discussions about pH effects, ionic strength effect,
and buffer preparation.
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HPLC Troubleshooting |
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Description: This is a liquid chromatography
troubleshooting site from Varian. It contains a variety of pages for
liquid chromatography procedures (i.e., column washing), data on a
wide variety of stationary phase materials, effects of clogged
tubing on chromatographic performance, and troubleshooting of
chromatographic problems. This site will be useful to new users of
liquid chromatographic methods for troubleshooting, and for more
experienced users as a source of data for chromatographic stationary
phase properties.
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HPLC,
LC-MS, and FTIR sites |
Details |
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Description: This site contains a considerable
amount of information on HPLC, LC-MS, and FTIR via linked sites by
the same author and some vendor sites. It may require considerbale
time to follow the links to find specific information, but as a
collection of sites related to HPLC and FTIR it is quite useful as a
teaching resource. There are some interesting animations that might
be helpful for students to understand how these instruments work.
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Immunoassay |
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Description: A discussion of immunoassays in the
context of testing for environmental contaminants, including a
fairly detailed explanation of how immunoassays are conducted and
advantages and limitations in the analysis of environmental
problems. There is also a discussion of analytical concerns -
interferences, limits of detection, accuracy and precision,
calibrating immunoassays, etc.
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Immunoassay Animations |
Details |
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Description: Animations showing the detailed steps
involved in 8 different immunoassays. The focus of the site is
primarily on the biochemical aspects of the immunoassays, not on
their analytical applications.
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Improving the Art and Practice of Amino Acid
Analysis |
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Description: This site presents a very detailed
tutorial on amino acid analysis. Topics discussed include analytical
methods, calibration, hydrolysis, sample preparation, reduction of
background and contamination, calculations and references. This site
will be especially useful for faculty and students at all levels
interested in bioanalysis and especially in the practical aspects of
amino acid analysis.
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Integrated Spectral Data Base System for Organic
Compounds |
Details |
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Description: Searchable database of infrared,
nuclear magnetic resonance, and mass spectra of organic compounds.
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Interpreting Electrospray Mass Spectra |
Details |
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Description: This site is a tutorial on
interpretation of electrospray mass spectra of multiply charged
molecules. It provides a simple explanation of the electrospray
process and the potential for the creation of multiply charged
species, especially when working with peptides. The mathematics of
determining the charge state and molecular weight of the peptide is
also explained. Although this site provides a good foundation on
electrospray MS of peptides, students requiring an advanced
understanding of MS fragmentation of proteins and peptides will have
to go elsewhere.
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Introduction to Chromatography |
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Description: A good general treatment of
chromatography. The PDF file is attractive and covers topics
including retention, broadening, resolution, and quantitative
aspects of detection. The coverage is comparable to that of typical
insrumental analysis textbooks. A companion site,
http://www.anc.univie.ac.at/scripts/gc2.pdf, treats gas
chromatography specifically.
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Introduction to Factor Analysis |
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Description: This site provides instruction on the
application of Factor Analysis to Chemical data. The tutorial is
designed for the undergraduate chemistry student, and introduces the
concept of "data space" to the student. The tutorial uses an UV
absorbance experiment as as example of the application of factor
analysis in Chemistry.
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Introduction to Gas Chromatography - Mass
Spectrometry |
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Description: Illustrations breaking down GC-MS into
the main components of GC-MS instruments, including an electron
impact ionization chamber, quadrupole mass filter, and magnetic
sector mass analyzer. There is a link to download the power point
presentations so one could print and modify these slides.
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Introduction to Mass Spectrometry |
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Description: An introduction to mass spectrometry,
primarily an overview of ionization methods and mass analyzers with
diagrams that provide visualizations of the topics discussed.
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Introduction to Mass Spectrometry |
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Description: This site contains an on-line text on
mass spectrometry at the intermediate level. The text gives good
general coverage of mass spectrometry instrumentation and
applications in very readable format. It contains nice diagrams that
provide a visualization of the ionization and mass selection
processes. It also contains an overview of applications of mass
spectrometry near the end that is different than most sites related
to MS. It is especially appropriate for intermediate students.
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Introduction to Mass Spectrometry |
Details |
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Description: This site provides a useful
introduction to mass spectrometry and provides an overview of
ionization methods, mass selectors, and ion detectors. It also leads
into a great link on the interpretation of mass spectra including a
section on fragmentation. This site is useful for students at the
intermediate level and would be a good supplementary resource for a
course on Instrumental Analysis.
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Introductory Solid State NMR Notes |
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Description: This website introduces both
theoretical and experimental solid state NMR. The subject matter is
covered thoroughly. The material is presented with numerous examples
that are easy to follow, regardless of one's background. The subject
matter is extremely well organized and a pleasure to read.
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Introductory Tutorial to Mass Spectrometry |
Details |
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Description: An introduction to GC-MS for beginning
students in analytical or organic chemistry lab. The site includes
discussion of quadrupole mass analyzers, ionization, detection, and
interpretation of mass spectra. One of the best features of this
site is a series of on-line quizzes on the interpretation of EI mass
spectra that includes hints as well as explanations of why the
answers are right or wrong.
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Ion Exchange Chromatography |
Details |
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Description: This website contains a ion
chomatography simulator, that can be run on-line or can be
downloaded. The simulator focuses on separations of Protiens using
Ion Chematograhpy. Also included is hyperlinked reference
information, an example of a homework assignment using the
simulator, and some information on protien structures.
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IonSource |
Details |
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Description: This website contains a wealth of
information about mass spectrometry for bioanalysis and related
subject material for biotechnology. There are four significant
components: The Card Index, Featured IonSource Tutorials and
Contributions, Resources, and Links. The contents will serve as a
learning tool for students, faculty and practitioners alike. You can
take what you want, depending on your level of expertise and
interest. The Card Index contains information on things like peptide
mass calculator, acetylation reaction, protein glycosylation,
phosphorsylation and MS lab calculation, etc., will be useful.
Learners will find the tutorials helpful to learn about Principles
of MS quantitation, Isotopes, Reverse Phase HPLC Basics, etc - and
if you look under shareware/freeware, several free softwares
available on the Internet are listed. This site contains a
compendium of material that is not available in textbooks.
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IR Helper |
Details |
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Description: The website uses JCAMP formatted
spectra, and javascript to lead the user through the analysis of IR
spectra. The software asks the user a series of questions about the
spectrum, and provides correction if the user answers
incorrectly.There are 18 different spectra to choose from, from
simple alkanes to a few fairly tricky assignments.
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IUPAC
Mass Spectrometry Nomenclature |
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Description: This site provides a detailed glossary
of terms related to mass spectrometry. It provides an excellent
source of reference information as a reference for beginning and
intermediate level students.
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Landmark Instruments of Chemistry |
Details |
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Description: This website effectively uses animated
movies combined with text explanations to describe the processes in
FT-IR interferometry, TLC, GC and magnetic sector mass spec. It is
effective in illustrating processes that are otherwise difficult to
visualize. These materials are excellent visualization tools that
can be incorporated into lectures readily.
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LC Calc (TM) Online. A handy calculator for HPLC
computations. |
Details |
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Description: This site contains several on-line
calculators for use in liquid chromatography. These include pressure
unit conversion, a database of solvent properties, Determination of
a buffering system, LogD, and % isonization.
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LC/GC magazine |
Details |
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Description: LC/GC magazine is a very good source
for relatively short articles about fundamental chromatographic
issues as well as applications. The content is appropriate for both
introdcutory analytical courses (e.g. quant) and for instrumental
analysis courses.
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Learning to Learn: An Introduction to Capillary
Electrophoresis |
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Description: This article describes a problem based
learning approach to analytical chemistry labs using capillary
electrophoresis as the instrumental method. It also describes a lab
that is an example of problem based learning. Students playing the
role of lab technicians, learn how to use the instrument in order to
perform an analysis.
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Lecture Notes On Forensic Law |
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Description: This site offers lecture notes
relating to an introductory survey course on forensic science. It is
designed to provide a comprehensive understanding and analysis of
technical and legal issues involving forensic techniques. The
lectures, focus on traditional subjects relating to the services of
crime laboratories,but also deals with allied subjects,including
forensic psychiatry, forensic pathology, and social science.
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Linear Sweep Voltammetry/Cyclic Voltammetry |
Details |
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Description: This website provides a primer for
linear sweep and cyclic voltammetry. The shape of the
current-voltage curve for these techniques is explained with
illustrations of the concentration profiles from the electrode
surface into the solution at different stages of an electrochemical
reduction. A typical cyclic voltammogram showing the important peak
parameters is illustrated.
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Liquid chromatography |
Details |
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Description: Lab instructions written for a general
chemistry student on an introduction to thin layer and paper
chromatography. It also briefly describes several other separation
methods: TLC, Electrophoresis, capillary electrophoresis, HPLC. It
contains some color photos showing TLC and paper chromatograms, and
demonstrates how to spot samples and measure Rf-values.
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Macherey-Nagel Product Catalog |
Details |
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Description: Database with references for 2252
separation applications.
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Mass Spectrometry |
Details |
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Description: This site contains a very readable
collection of detailed lecture notes in textual format on mass
spectrometry. The section on the fragmentation and the
interpretation of mass spectra is thorough with many nice examples.
This site will be most useful for educators as a resource for
lectures on mass spectrometry or for students who want to teach
themselves the basics of MS interpretation.
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Mass
Spectrometry for Chromatographers |
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Description: This short course looks at mass
spectrometers as detectors for gas chromatography. Includes
instrumentation, spectral interpretation, data collection, worked
problems, and a knowledge quiz.
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Mass Spectrometry WWW Server - Theory Section |
Details |
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Description: An introduction to mass spectrometry
with an overview of ionization methods and mass analyzers and
diagrams that provide visualizations of the topics discussed.
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Molecular Structure and Dynamics by NMR
Spectroscopy |
Details |
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Description: This site provides PowerPoint slides
for a graduate-level course in NMR spectroscopy. While the casual
student may find it hard to follow everything on the slides without
an accompanying lecture, the Power Point files should be very useful
for advanced students or educators putting together similar courses.
Mathematica documents that allow one to perform matrix algebra and
Fourier transforms are also provided.
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NMR Spectroscopy Tutorial |
Details |
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Description: This is a straight forward elementary
approach to proton and carbon NMR analysis targeted at students who
are just at the most beginning stages of NMR spectroscopy, for
example those in a first-semester organic chemistry course. There
are some good descriptions of the most basic aspects of NMR
spectroscopy such as coupling and some very simple structure
problems to solve that are useful to students at the most
introductory level of NMR spectroscopy.
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NMR
Spectroscopy |
Details |
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Description: This site contains web-based programs
that allow the user to predict chemical shifts, spin-spin coupling
patterns and NMR line shapes affected by dynamic chemical exchange.
This site will be most useful for students with a good background in
the fundamentals of NMR theory.
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NMR Spectroscopy - Theory |
Details |
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Description: This web site begins with a simple
quantum description of NMR and proceeds to introduce resonance
absorption, relaxation, chemical shifts, and scalar couplings. This
site will be useful for advanced undergraduate students needing a
description of NMR that is more detailed than that given in most
introductory Organic texts.
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Organic Chemistry On Line |
Details |
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Description: This site covers introductory material
related to the analysis of small organic molecules by mass
spectrometry, uv-visible spectrophotometry, IR spectrophotometry,
and nmr spectroscopy. A concise explanation of each approach is
presented with illustrations. This would be useful for those
teaching organic chemistry and for others who need a review of the
topic. It is treated from the standpoint of the phenomenon related
to the measurement and the results one would obtain. It does not
present much detail on the instrumentation. The section on
Spectroscopy Resources at the end of the site contains a list of
links to additional information plus a several links to compilations
of problems (and their solutions) that challeng the student to
interpret NMR or IR spectra.
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Organic Structure Elucidation Workbook |
Details |
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Description: This web site contains 64 structure
elucidation problems for the qualitative analysis of organic
compounds. For each problem the empirical formula, molecular weight,
500 MHz proton and 125 MHz carbon NMR spectra, IR and mass spectral
data are presented. The problems are categorized as easy, moderate
or difficult. Students in introductory Organic Chemistry who want
practice identifying unknown compounds should find this site useful.
Instructors looking for exam or classroom problems for students at
this level could also take advantage of the information on this
site.
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Origin of Chromatography |
Details |
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Description: This site has a series of links to
QuickTime movies that animate the chromatographic process. The
movies show the effect of changing K, L, and N on peak width and
separation. The site is useful in combination with other sources
that explain the background theory.
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Paper Chromatography |
Details |
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Description: This site is a very brief introduction
to the idea of separation of components in a mixture and a set of
instructions for students for separating colored compounds by paper
chromatography (on coffee filters). The appropriate audience would
be students in a high-school or introductory, non major's college
chemistry class.
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Paper
Chromatography of Dyes in Foods |
Details |
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Description: This site about paper chromatography
is organized and the information is presented well -- perhaps making
it one of the better sites about paper chromatography.
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Paper Chromatography of Stains |
Details |
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Description: A paper chromatography experiment
separating dyes. The experiment is targeted toward 8-12 grades, but
could be suited to an introductory chem laboratory section.The text
of the site contains instructions for setting up and executing the
experiment in a large class setting.
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PC Software for NMR, IR |
Details |
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Description: This web site allows readers to
download a variety of PC-based NMR simulation programs. NMRSM is for
the calculation of spin-spin coupling patterns, the program FTNMR
Simulator simulates the operation of a high field spectrometer and
the program FIDMAKER allows the user to create FID's for subsequent
analysis by students. Although these simulation programs are fairly
limited in their scope, they will be useful for faculty at
institutions that do not have access to a modern Fourier transform
NMR spectrometer.
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Pierce Biotechnology |
Details |
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Description: The pedagogical value lies in its
concise description of the various analytical derivatization
reactions and reagents used for gas chromatography. This site gives
a nice description of the various derivatization reagents and what
type of analyte they are used for. One of the few, if not the only,
ASDL sites dealing with derivitization.
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Polymeric matrices for DNA sequencing by capillary
electrophoresis |
Details |
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Description: This article reviews a variety of
polymer types that have been used for both single and double
stranded DNA separations. Comparisons are made in terms of the
length of sequences that can be accurately read, the viscosity, ease
of column filling, matrix stability, separation time and conditions
for optimum resolution. These details are not likely available in
another single source.
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Potentiometry |
Details |
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Description: This site contains a succinct
discussion with illustrations (total of 19 pages) on potentiometry
(Ch. 23 of CEM 333 at Michigan State University). Students, teachers
and practitioners interested in potentiometry should find the
material helpful in understanding how various potentiometric
electrodes work, the underlying theory, and some useful hints in
their application.
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Probing Brain Chemistry |
Details |
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Description: This website opens an A-page article
in Analytical Chemistry [Jonathan A. Stamford and Joseph B. Justice,
Jr., Anal. Chem. 1996 (68) 359A-366A] that provides a historical
account ot the development of in-vivo voltammetry to monitor
neurotransmitters in the brain. The article is well-written with
excellent illustrations. The pedagogical value is excellent by
providing students, faculty and practitioners at look at how the
problem of direct monitoring of neurotransmitters, such as
catecholamines, was solved by the use of implanted microelectrodes.
The article provides an excellent discussion of brain chemistry, the
role of neurotransmitters and where they are located. It is a good
way to learn about problem solving - a good teaching tool.
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Radioanalytical Chemistry |
Details |
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Description: Course on the use of radionuclides in
analytical chemistry. Types of radioactive decay are discussed as
well as the techniques of scintillation counting, neutron activation
analysis, and gamma spectroscopy.
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Raman Links on the Web |
Details |
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Description: This is a compilation index of web
sites focused on Raman and vibrational spectroscopy.
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Redox Potentiometry |
Details |
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Description: This site is material from a lecture
course in Biophysics, covering activity, free energy, equilibrium
constants, effect of pH on redox potentials, potentiometry, and
reaction rates. This website illustrates how course material can be
developed in a top-down fashion. That is, the general phenomenon is
described and the underlying derivations, details and previously
developed concepts are available by clicking on the keywords as they
appear. The explanations are based on interesting biological
reactions not often found in chemistry texts.
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Reversed phase column characteristics and general
chrom. overview |
Details |
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Description: This is a link within the Waters HPLC
Primer site. It contains very useful details regarding the
properties of HPLC packing materials and how they impact
performance. Since it is part of a larger site, it contains links to
other information provided by waters on other aspects of HPLC as
well as MS and other techniques. There is a higher level of detail
in the instruction here than in most general sites discussing HPLC.
Also, the site shows which Waters columns contain the different
kinds of packing materials described, which would be helpful to a
lot of people.
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Reversed Phase HPLC Mechanisms |
Details |
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Description: This is a Powerpoint Presentation on
reversed phase mechanisms in HPLC. It includes a good but
superficial discussion of reversed phase mechanisms and would expect
the user to provide the depth. Instructors may find it helpful as an
outline for a lecture on HPLC.
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Rheodyne - Application
Support |
Details |
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Description: Application notes, technical
information, and on-line trouble-shooting guide pertinent for
Rheodyne products (high-pressure valves).
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RLM Synge Nobel Prize Lecture |
Details |
|
Description: This site describes the applications
of partition chromatography. The pedagogical value lies in its
historical perspective and in its description of the early
applications of partition chromatography. This site provided a
unique historical perspective on the applications of partition
chromatography and one of the pioneers of the technique. This
document also contains many relevant figures and graphics.
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RPKP Experiments: Probability and Statistics |
Details |
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Description: This site provides a basic
introduction to probability and statistics, specifically concerning
random errors with uniform size. There is a detailed explanation of
the normal distribution, with associated mathematics, as well as a
treatment of the standard deviation, and Chi Square.
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Selerity Technologies Application Notes |
Details |
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Description: Applications and tutorials related to
supercritical fluid chromatography and temperature programming in
liquid chromatography (PDF). Application area is mainly
petrochemicals.
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Separation Science Animantions |
Details |
|
Description: This site from TRSL is the main site
that links to many animations related to how chromatography systems
work. Most of the animations are quite good and would be helpful to
students when trying to visualize what occurs in an instrument
during an separation (e.g. injection, detection, etc.).
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Separations Syllabus |
Details |
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Description: This site contains a fairly detailed
syllabus for a separations course. It may be useful as a starting
point for someone teaching a separations course for the first time.
It includes a list of resources (books and journals) appropriate for
the course as well as a firly detailed outline of the topics to be
covered throughout the course.
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SGE Chromatography Products - Troubleshooting and
Training |
Details |
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Description: A guide to troubleshooting
chromatography problems, especially GC. There is also material on
increasing column efficiency and reference material on properties of
stationary phases.
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Spectroscopy |
Details |
|
Description: Organic chemistry professor William
Reusch gives an overview of the spectroscopic determination of
molecular structure using a variety of techniques.
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Split Injection GC |
Details |
|
Description: This site is one in a series of sites
with very good animations related to separations. This animation
deals specifically with split injection in gas chromatography. The
animations are short (one to two minutes) and can easily be shown in
class as part of a lecture. They are extremely helpful in
illustrating key components and concepts of chromatographic systems.
Users are encouraged to explore the site and the other brief
animations as well. Separate links to other simulations by the same
company (TRSL) are also listed on ASDL.
|
|
SPR and Related Calculations |
Details |
|
Description: Computation of Surface Plasmon
Resonance using common surfaces (gold, silver, copper) and
wavelengths (632.8 nm) is done on-line. The site is maintained for
researchers and students alike.
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Study of Electrode Mechanism by Cyclic Voltammetry
|
Details |
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Description: This is a lab experiment in pdf format
that uses cyclic voltammetry to determine the concentration of
acetaminophen (active ingredient of Tylenol) in a children?s pain
relief elixir and to study the mechanism of its oxidation. The
electrode reaction is both pH dependent and coupled with a chemical
reaction.
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Sum Frequency Generation |
Details |
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Description: Graphically shows the basics of sum
frequency generation and time-correlation spectroscopy.
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Surface Acoustic Wave/Gas Chromatography System for
Trace Vapor Analysis |
Details |
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Description: A cost analysis and progress report to
the Federal Government's Department of Energy detailing the use of a
surface acoustic/wave gas chromatograph for trace vapor analysis. It
contains a brief description of surface acoustic wave (SAW)
detectors used with gas chromatography. This site is a good example
of the detailed reports chemists and engineers might put together to
obtain or continue to get funding.
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Surface Science
Forum |
Details |
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Description: Extensive information about all forms
of surface analysis including detailed information on analytical
techniques, online tutorials, reference data, conference
information, news and links to other resources.
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Surface
Science Tutorials |
Details |
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Description: The Surface Analysis Forum contains
tutorials, databases containing reference values important for many
surface analyses, and a glossary for surface science technique
acronyms. The tutorials are really on-line courses offered in
specific aspects of surface analysis. All are presented in a clear
fashion. In addition, there is a link to software (much of it free
and downloadable) for data analysisThe site is structured for
teaching and is easy to read.
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Terminology for Analytical Capillary Electromigration
Techniques |
Details |
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Description: This site contains a report from 2002
containing IUPAC recommendations for Capillary Electromigration
nomenclature. It presents definitions, names, and descriptions for
capillary electrophoresis, capillary electrochromatography, and
electroosmotic flow phenomena.
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The Basics
of MRI |
Details |
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Description: This web site is an on-line textbook
describing the principles of magnetic resonance imaging (MRI). The
treatment is often quite mathematical, but the site also reviews all
of the mathematics and physics needed to understand the material.
Approximately forty clinical images can also be found on the site.
This site is appropriate for students needing a stand-alone
introduction to MRI.
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The Electronic Statistics Textbook |
Details |
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Description: This website is an extensive
electronic textbook on statistics, published by Statsoft, producers
of Statistica(TM) software. The material is extensive, and in depth.
This site could easily be used as a reference for Analytical
Chemistry students and faculty, but it would not be a substitute for
a traditional text, since there are no practice problems or
exercises included and the examples provided are geared more to
applications in social science.
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The Fluoride Ion Selective Electrode Experiment
|
Details |
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Description: This website contains an experimental
procedure for the determination of fluoride ion in samples with an
ion selective electrode (ISE). The electrode is calibrated by a
standard addition method. In addition to experimental direction, the
site contains a brief explanation of standard additions and
spreadsheet guidelines for the treatment of calibration data. The
site also has notes on general equilibrium topics that include
dynamic, Haber Process,law of mass action, heterogeneous systems and
LeChatelier's Principle. Students and teachers will find the
information sueful.
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The History of
Mass Spectrometry |
Details |
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Description: This site provides a brief history of
the development of mass spectrometry. The works of Thompson and
Aston are presented along with a brief overview of the modern
evolution of mass spectrometry. This site will be useful for
beginning students interested in a historical overview of the field
of mass spectrometry.
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The
HPLC Doctor |
Details |
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Description: This site provides HPLC
troubleshooting tips. It covers common separation problems such as
peak fronting or tailing and split peaks and suggests solutions.
This site will be most useful for students and practitioners who
already have some background knowledge of separation theory. It will
be especially helpful for laboratory or research students who are
developing a new separation method or are encountering problems with
their chromatographic experiments.
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The Practical Application of Light |
Details |
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Description: This commercial website is a good
tutorial on optical design. While users should know a few freshman
physics ideas about the nature of light and imaging, the novice
optical designer can start from scratch using the material provided
by Melles Griot.
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The Probability Pipe Organ |
Details |
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Description: This page is a java-based simulation
that uses random number generation to demonstrate the principles of
probability. The "pipe organ" is a graphic representation showing
how random coin flips (positive and negative errors) can result in a
normal distribution.
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Uncertainty Calculator |
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Description: This webpage consists of a javascript
application that allows the calculation of the uncertainty of a
result, given the uncertainty in input parameters. This application
could be used as a tool in the analytical chemistry lab, or could be
used by instructors to demonstrate the propagation of error.
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Using Problem-Based Teaching and Problem-Based
Learning to Improve the Teaching of Electrochemistry (The China
Papers) |
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Description: This is a paper from The China Papers
dated July 2003 that describes current chemical education methods in
China and the introduction of problem-based learning at one
institution in the physical chemistry course which is where
electrochemistry is apparently taught.
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Virtual Sherlock |
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Description: This website developed by Preetha Ram
at Emory is intended to provide web-based support for a
problem-based learning exercise focused on forensics. Students work
in teams to solve a crime using data from a variety of sources
(victim's journal, incident reports, coroner's reports). The
materials are decidedly unique and the approach is likely to be of
interest to a large number of faculty and students because of
current popular interest in forensics. It should be noted that there
are several broken links on this site and that part of the website
is not accessible to outside users.
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VMSL:
Virtual Mass Spectrometry Laboratory |
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Description: This site presents a series of case
studies that can be explored using modern mass spectrometry methods.
The problem-solving nature of the site provides students a virtual
laboratory experience that can supplement access to mass
spectrometry instrumentation.
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Vydac Application Notes Online |
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Description: Short application notes and technical
information pertinent for Vydac products. Application and
trouble-shooting information for separations of peptides, proteins,
oligionucleotides and carbohydrates using liquid and ion-exchange
chromatography.
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WebSpectra - Problems in NMR and IR Spectroscopy
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Description: This web site provides thirty
beginning, twenty-nine intermediate, and sixteen advanced NMR
structure analysis problems and their solutions. For every unknown a
proton and a carbon spectrum are provided. Many of the more advanced
problems contain COSY and DEPT spectra as well. A particularly
useful feature of this site is that the user can zoom into spectral
regions in all of the spectra.
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What is Mass Spectrometry |
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Description: This site an overview of mass
spectrometry formatted much like a Frequently Asked Questions (FAQ)
page. It is very readable and addresses issues such as ionization
methods, mass selectors, ion detectors, and analytical issues such
as resolution, although at a fairly non-technical level. It provides
a good first read for students wanting an up-to-date overview of
analytical mass spectrometry
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