Vocabulary concept

Concept URI		http://dd.eionet.europa.eu/vocabulary/aq/analyticaltechnique/AAS
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Definition		Atomic absorption spectroscopy (AAS) is a spectroanalytical procedure for the quantitative determination of chemical elements employing the absorption of optical radiation (light) by free atoms in the gaseous state. In analytical chemistry the technique is used for determining the concentration of a particular element (the analyte) in a sample to be analyzed. AAS can be used to determine over 70 different elements in solution or directly in solid samples (source: http://en.wikipedia.org/wiki/Atomic_absorption_spectroscopy)
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