2004•Dalian Minzu Xueyuan xuebaoRequires access

The Negative Catalytic Kinetic Photometric Method for the Determination of Trace Cobalt

Huang Xian-sheng

Abstract

s: A new negative catalytic kinetic spectrophotometric method for the determination of trace cobalt is proposed which is based on the negative catalytic effect of cobalt(Ⅱ) on the oxidation of neutral red by hydrogen peroxide in a medium of HAc-NaAc and NaF. The linear range is found to be 0.2~1.7g/ml. It has been applied to the determination of cobalt in water with satisfactory results.

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Key concepts: Cobalt, Hydrogen peroxide, Catalysis, Chemistry, Linear range, Kinetic energy, Inorganic chemistry, Detection limit