Analytical Chemistry
These are the techniques and applications of molecular
identification. Analytical chemistry lecture notes, laboratory
exercises, organizations, journals, software, and additional
resources are provided. Information is available for calorimetry,
crystallography, electrophoresis, chromatography, and
spectroscopy.
Analytical Software (8)
Journals & Publications (4)
Lab Techniques
Lecture & Class Notes (17)
Lab Equipment & Instruments
Find images of laboratory equipment and instruments, including
glassware and antique items.
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Analytical Sci. JournalOpen-access, peer-reviewed journal of
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Chemistry Laboratory Glassware Gallery
Learn the names and uses of different types of chemistry
laboratory glassware.
How to Clean Laboratory Glassware
Cleaning laboratory glassware isn't as simple as washing the
dishes. Here's how to wash your glassware so that you won't ruin
your chemical solution, laboratory experiment, or the glass.
Introduction to Spectroscopy
Learn what spectroscopy and spectra are, how spectroscopy works,
and what it is used for. This article includes a list of several
different spectroscopies, with brief descriptions of their
characteristics.
Flame Tests
A flame test is an easy experimental technique used to help
identify a metal or ionic salt based on its emission spectrum
when it is heated in a gas flame. Here's how to perfom a flame
test and interpret the results of the test.
Chromatography with Candy and Coffee Filters
Analyze the dyes used in your favorite candies with paper
chromatography using a coffee filter, colored candies, and a
salt solution.
How to Read a Meniscus
The meniscus is the curve seen at the top of a liquid in
response to its container. When you read a scale on the side of
a container with a meniscus, such as a graduated cylinder or
volumetric flask, it's important that the measurement accounts
for the meniscus. Here's how to read a meniscus.
Qualitative Analysis - Flame Tests
The flame test is a quick low-tech method of identifying an
element by the color of light it yields in a flame. Learn how to
perform this test and to interpret the results.
Qualitative Analysis - Bead Tests
The borax, microcosmic salt, or sodium carbonate bead test may
be used to help identify unknown metals. Learn how to perform
and interpret the results of this handy analytical test.
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Titration Curves
Titration is a technique used in analytical chemistry to
determine the concentration of an unknown acid or base. For all
acids, the shape of the graph plotting pH against volume of base
titrated fits the same general shapes.
Experimental Determination of Avogadro's Number
Did you know that Avogadro's number isn't a mathematically
derived unit. The number of particles in a mole of a material is
determined experimentally. This easy method uses
electrochemistry to make the determination.
Gas Chromatograph Diagram
This is a generalized diagram of a gas chromatograph or
gas-liquid chromatograph.
How to Perform a Recrystallization
Recrystallization is a laboratory technique used to purify a
sample based on the different solubilites of its components.
Learn how to perform a recrystallization and get tips on how to
avoid common problems and improve your product yield.
Identify an Unknown - Experiment with Chemical Reactions
Use this chemistry lesson plan to help students use the
scientific method to design experiments to identify the
components of an unknown mixture.
Measurement of Heat Flow - Coffee Cup & Bomb Calorimeters
A calorimeter is a device used to measure the quantity of heat
flow in a chemical reaction. Learn about two of the most common
types of calorimeters, the coffee cup calorimeter and the bomb
calorimeter, and find out how to use them to calculate heat flow
and enthalpy change.
Perform the Mohs Test
The Mohs test is one way to determine the hardness of a rock or
mineral. You can use the Mohs hardness to help identify an
unknown specimen. Here's how you can do the test yourself.
Poinsettia pH Paper
You can make pH indicator from poinsettia flowers, then use the
indicator to make your own pH paper test strips.
Red Cabbage pH Paper
Learn how to make your own pH indicator test strips using red
cabbage. This is a fun, safe, and easy chemistry project that
you can do at home.
Titration Basics - Acids Bases and Buffers
Grasp the basic chemical concepts of titration, a technique used
to determine the molarity of an acid or a base.
Vitamin C Determination by Iodine Titration
Use this redox-based iodometric titration to determine the
amount of Vitamin C or ascorbic acid in juice and other samples.
Qualitative Analysis
Qualitative analysis may be used to detect, identify and
separate anions and cations in a sample. This is an introduction
to the concepts and procedures used in qualitative analysis.
Complex Ions and Precipitation Reactions
Learn about the complex ions and precipitation reaction which
can be used to identify ions in qualitative analysis.
Flame Test Video
This chemistry video explains what a flame test is and then
describes three ways to perform a flame test to identify the
components of an unknown sample.
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