Spectrophotometric Determination of Chromium in Water, and Pharmaceutical Samples Using 1-Naphthol

Spectrophotometric Determination of Chromium in Water, and Pharmaceutical Samples Using 1-Naphthol

Facile and sensitive spectrophotometric methods for the determination of trace and ultra trace amounts of chromium (VI) are described. 4-aminoantipyrine (APP) reacts with 1-naphthol (NPL) in presence of oxidising agent potassium dichromate in acidic medium to produce red coloured product having λmax...

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Bibliographic Details
Main Authors: K. Suvardhan, S. Ramanaiah, K. Suresh Kumar, D. Rekha, Umayur Bhagan, G. R. K. Naidu, G. Krishnamurthy Naidu, B. S. Sastry, P. Chiranjeevi
Format: Article
Language:English
Published: Hindawi Limited 2005-01-01
Series:E-Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2005/140534

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