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Citation: SHA Ren, ZHANG Zhi-Ying. A Kinetic Spectrophotometric Method of Reduction of Calcon with Ascorbic Acid for Determination of Trace Copper(Ⅱ) in Mongolian Medicine and Hair Sample[J]. Chinese Journal of Applied Chemistry, ;2006, 23(10): 1179-1181. shu

A Kinetic Spectrophotometric Method of Reduction of Calcon with Ascorbic Acid for Determination of Trace Copper(Ⅱ) in Mongolian Medicine and Hair Sample

SHA Ren ^, ,
ZHANG Zhi-Ying

1.
Chemistry & Environment Science College of Inner Mongolia Normal University, Inner Mongolia, Huhhot 010022

Corresponding author: SHA Ren,
Received Date: 11 November 2005
Available Online: 27 January 2006
Fund Project: 内蒙古自治区自然科学基金资助项目(200408020213) (200408020213)

In an acetic acid-sodium acetate buffer medium,trace amounts of copper has sensitive catalytic activity toward the reduction of calcon with ascorbic acid in the presence of active agent O-phenanthroline.The optimum condition and kinetic parameter of the reaction were studied and a new method was established for the determination of trace amounts of copper.The detection limit in this method is 1.54×10^-10 g/mL.The linear range is between 0~1.1×10^-7 g/mL.This method was applied to the determination of copper in Mongolian medicine and hair sample with satisfactory results.
- copper(Ⅱ),
- calcon,
- kinetic spectrophotometry
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