Abstract
A method of analysis is proposed that involves isolation of elements to be determined from a sample in the form of volatile compounds, with their subsequent trapping and final atomic fluorescence determination with gas-phase atomization in an inductively coupled plasma. An air-cooled torch with a low consumption of argon was used as the atomizer. This technique eliminates almost all interferences from both matrix elements and atomizing media, and allows the analysis of a wide range of materials with a spectrometer that is calibrated on pure compounds of the elements to be determined without the need for matrix-matched standard reference materials. The method was applied to multi-element environmental analyses.
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