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Flame Atomic Absorption
Flame Atomic Absorption
Type 1:  A1 (COA)
Type 2:  A2 

Flame Atomic Absorption Spectroscopy 

(AA Standards)

•Flame Atomic Absorption is a very common technique for detecting metals present in samples.

•The technique is based on the principle that ground state metals absorb light at a 

  specific wavelength.

•Metal ions in a solution are converted to atomic state by means of a flame.

•When light of the correct wavelength is supplied, the amount of light absorbed is measured and

  a reading for concentration can be obtained.

•Flame atomic absorption is a very accurate quantitative technique and also a good qualitative


•This is one of the main reasons it is the most widely used of the atomic absorption methods.

Flame atomic absorption spectroscopy (FAAS) is suitable for measurement of a limited range of elements present at concentrations greater than approximately 1μgml−1 in biological fluids, and for the analysis of solutions obtained from biological tissues at the completion of the sample preparation steps.

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