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Spectrophotometric Determination of Copper (Ii) With 4-Chlorobenzaldehydesemicarbazone in the Samples of Milk

Volume 22, Number 3

N. Khiwani, Sudesh Sharma and N. Bhojak*

Department of Chemistry, Government Dungar College, University of Bikaner, Bikaner - 334 003 (India)

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ABSTRACT:

Spectrophotometric method has been developed for the determination of copper(II) using 4-Chlorobenzaldehyde semicarbazone as a reagent. This reacts with Cu(II) giving a brown coloured complex which can be quantitatively extracted into chloroform at pH 7.2-8.0. Molar absorptivity at 388 nm is 2.3x104. Beer’s Law is obeyed in the range 0.1 ppm to 10 ppm. The present method has been used for analysis of Cu (II) in the samples of milk.

KEYWORDS:

Copper (II); 4-chlorobenzaldehydesemicarbazone; milk

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Khiwani N, Sharma S, Bhojak N. Spectrophotometric Determination of Copper (Ii) With 4-Chlorobenzaldehydesemicarbazone in the Samples of Milk. Orient J Chem 2006;22(3).

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Khiwani N, Sharma S, Bhojak N. Spectrophotometric Determination of Copper (Ii) With 4-Chlorobenzaldehydesemicarbazone in the Samples of Milk. Orient J Chem 2006;22(3). Available from: http://www.orientjchem.org/?p=19599

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