2005•Metallurgical AnalysisRequires access

Determination of As,Sn,Pb,Sb,Bi in carbon steel and low alloy steel by ICP-AES

Guan Jian-xia

Abstract

A method for determining As,Sn,Pb,Sb,Bi with a nebulization-hydride generator has been established. In the experiment,the mixture of thiourea (5 g/L), ascorbic acid (5 g/L), and potassium iodide (2 g/L) were used as reducing-inhibiting agents.In the selected conditions,the detection limits of As,Sn,Pb,Sb,Bi are 0.006 1,0.083 6,0.070 4,0.007 3,0.020 6 μg/mL, respectively.

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Key concepts: Thiourea, Ascorbic acid, Antimony, Inductively coupled plasma atomic emission spectroscopy, Hydride, Nuclear chemistry, Detection limit, Alloy