atomic absorption spectrometry flame atomic absorption spectrometry 2013-02-27T14:58:06Z A spectroanalytical procedure for the quantitative determination of chemical elements employing the absorption of optical radiation (light) by free atoms in the gaseous state, in this case generated by a flame atomizer, e.g. an air-acetylene slot-type burner at 2300 degrees C or a nitrous oxide (N2O)-acetylene slot-type burner at 2700 degrees C. JSmith MMO:0000379 flame AAS flame atomic absorption spectroscopy measurement_method_ontology