A Facile Spectrophotometric Method for the Determination of Cobalt(II) Using Iodine Monochloride Reagent

Jayanna, B. K. and Nagendrappa, G. and Ninge Gowda (2010) A Facile Spectrophotometric Method for the Determination of Cobalt(II) Using Iodine Monochloride Reagent. E-JOURNAL OF CHEMISTRY, 7 (4). pp. 1426-1434. ISSN 0973-4945

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Official URL: http://dx.doi.org/10.1155/2010/519391

Abstract

A novel, simple, sensitive spectrophotometric method is proposed for the determination of cobalt(II). Chloromine-T with iodine in acetic acid produces iodine monochloride, which oxidizes promethazine hydrochloride and diphenylamine to absorbing cations. Those would associate later with cobalt complex to form an ion pair, Ph(+)] CoCl(4)](-) and Dh(2+)] CoCl(4)](-)(2) in acid medium. These appear to provide exceptional color stability to the systems. The results compare favorably with those of reported method. The conditions required for the determination of cobalt(II) are described and related analytical parameters are also calculated.

Item Type: Article
Uncontrolled Keywords: Spectrophotometry; Chloromine-T; Iodine monochloride; Ion-pairs
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: LA manjunath user
Date Deposited: 29 Jun 2019 06:10
Last Modified: 19 Dec 2019 05:57
URI: http://eprints.uni-mysore.ac.in/id/eprint/4121

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