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Describe atomic absorption spectroscopy
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Atomic absorption spectroscopy (AAS) is a quantitative analytical technique that measures the absorbance of light by atoms in a sample. The sample is first atomized, typically by heating it to a high temperature. The atoms then absorb light at specific wavelengths, which are characteristic of the element being analyzed. The amount of light absorbed is directly proportional to the concentration of the element in the sample. AAS is widely used in various fields, including environmental monitoring, food safety, and clinical chemistry.
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