2004•Analytical LaboratoryRequires access

Catalytic-kinetic photometric determination of trace amounts of copper in steel samples

Deng Bi-yang

Abstract

A new catalytic-kinetic photometric method for the determination of trace amounts of copper was developed. The method was based on the catalytic effect of copper on the oxidation of arsenaza Ⅲ by H_2O_2 in HAc-NaAc buffer medium. The linear range for the determination of copper was 0 to 0.2 μg/mL with the detection limit of 2.1 ng/mL. The method was applied to the determination of trace copper in steel samples with satisfactory results.

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Available abstract

Key concepts: Copper, Chemistry, Detection limit, Trace Amounts, TRACE (psycholinguistics), Catalysis, Kinetic energy, Linear range