atomic absorption spectrophotometry


Definition of atomic absorption spectrophotometry

  1. :  a method of spectrophotometry that relies on the absorption of specific frequencies of light by atoms in order to identify the chemical composition of a sample … the venerable technique of emission spectrometry has been overshadowed in recent years by rapid advances in the related field of atomic absorption spectrophotometry. — Chemical & Engineering News, 19 Mar. 1979 —called also absorption spectrophotometry

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