Abstract

Spectral interferences arising as a result of overlapping of analytical lines (λa) with interference lines (λI) were investigated based on two parameters: the ratio between the sensitivities of interference and analytical lines (QI) and CLI that contribute to the real detection limit (CLR) characterizing an increase in the analytic signal in the case of overlapping of lines. It is shown, using the lines of Gd, Tb, Dy, Ho, and Er in the spectrum excited in the argon plasma of a two-jet arc plasma generator as an example, that the parameters QI and CLR can be used in choosing the priority analytical lines in atomic-emission analysis.

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