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Atomic Absorption Spectroscopy is used for determining the composition of inorganic elements in a sample. AAS works on the principles of atomizing a sample and quantitatively  determining the concentration of atoms in the gas phase by measuring the intensity of light absorbed by them when they are irradiated with electromagnetic radiation. A key aspect of AAS is the method used to atomize the sample, which also affects the  sensitivity of the technique. Methods include flame, graphite furnace, electro-thermal, plasma furnace, and vapour-hydride atomization.

Learn about AAS

Virginia Tech'  (The Chemistry Hypermedia Project)

George Mason University (SRI Facility)
Wikipedia Encyclopedia

New Mexico Climate Centre (Elena Sevostianova's notes)

National Institute of Standards and technology (Fundamentals about Atomic Spectroscopy)


AAS at Sam Houston State University (Movie
) ( Flash)
Hydride Generation AAS at Sam Houston University (Movie
) (Flash)

Journal of Analytical Atomic Spectrometry (Royal Society of Chemistry)

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