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Definition of Atomic absorption

Atomic absorption Definition from Science & Technology Dictionaries & Glossaries
The process by which atoms absorb certain, prefered wavelengths of electromagnetic radiation. See also atomic emission, energy levels, spectral lines.
Atomic absorption Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Atomic absorption spectroscopy (AAS) is a spectroanalytical procedure for the quantitative determination of chemical elements using the absorption of optical radiation (light) by free atoms in the gaseous state.

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