2006•Journal of Jiangxi Normal UniversityRequires access

Determination of Trace Amounts of Copper(II) by Inhibitory Kinetic Spectrophotometry

Yan Xi-yuan

Abstract

Based on the inhibitory effect of trace amounts of Cu~(2+)(0.5 μg/25 mL) on the oxidation of Ⅰ by oxygen in an acid solution,a new kinetic ohotometric method for the determination of trace of copper was established.The delection limit is 0.005 3 μg/L and the linear range of determination is 0～2.0 μg/L.The method has been applied to the determination of trace amounts of copper in human hair with satisfactory results.

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