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Photometric and fluorimetric determination of chromium(VI) using metal-oxo mediated reaction of 1-(2-hydroxyphenyl)thiourea in micellar medium

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Abstract

This paper presents a novel approach for sensing chromium(VI) based on the oxidative dimerisation reaction of 1-(2-hydroxyphenyl)thiourea. The catalytic property of 2,2′-bipyridyl-chromium(VI)-oxo complex enhances the dimerisation process. The analytical parameters and kinetic studies were thoroughly studied and reported using spectrophotometric and spectrofluorometric techniques for the determination of chromium(VI). The analytical range is determined to be 0.3–250 ng/mL. The proposed methods for sensing chromium(VI) are fairly sensitive and were applied to wastewater samples. The obtained data is statistically treated, confirming the reliability of the methods.

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Authors and Affiliations

  1. Department of Chemistry, Sri Sathya Sai Institute of Higher Learning (Deemed to be University), Prasanthi Nilayam, 515134, Puttaparthi, Anantapur, Andhra Pradesh, India

    A. Sunil & S. Jagadeeswara Rao

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  1. A. Sunil
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  2. S. Jagadeeswara Rao
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Correspondence to A. Sunil.

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Sunil, A., Rao, S.J. Photometric and fluorimetric determination of chromium(VI) using metal-oxo mediated reaction of 1-(2-hydroxyphenyl)thiourea in micellar medium. J Anal Chem 70, 159–165 (2015). https://doi.org/10.1134/S1061934815020185

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  • DOI: https://doi.org/10.1134/S1061934815020185

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