Keywords |
  • Chemistry

Absorption spectrometry

Absorption spectrometry is the absorption of light by atoms providing a powerful analytical method for both qualitative and quantitative analysis. Atomic absorption spectroscopy (AAS) is based on the principle that free atoms can absorb light of a certain wavelength.

The absorption wavelength of each element is specific and unique. AAS is a method based on a single element used to reconstitute the analysis of the metals in biological, pharmaceutical and atmospheric samples for example.

The spectroscopic determination of atomic species can only be carried out using a sample in the gaseous state in which the individual atoms such as Ag, Al, Au, Fe and Mg are clearly separated from each other.



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