2002•Analytical LaboratoryRequires access

Determination of trace As,Sb and Bi in soil samples by hydride generation ICP-AES

Shan Gao

Abstract

A method for determination of trace As, Sb and Bi in soil samples by hydride generation inductively coupled plasma atomic emission spectrometry was described. The influence of ICP AES operating conditions, acidic media, and concentration of NaBH 4 solution on the intensity and S/B ratio of the spectral lines was also studied. The preferable experimental conditions were discussed, and the influence of co existent elements on the signal were investigated. This method was applied to determine the elements of standard soil samples, and the measured results were in good agreement with the recommend value. The detection limits of the method were 0 07×10 -6 for As, 0.03×10 -6 for Sb,0.02×10 -6 for Bi,respectively.

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Key concepts: Chemistry, Inductively coupled plasma atomic emission spectroscopy, Hydride, Inductively coupled plasma, Detection limit, Analytical Chemistry (journal), Soil test, TRACE (psycholinguistics)