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Liquid – liquid extraction behavior of V(IV) using phosphinic acids as extractants

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Abstract

The extraction behavior of V(IV) in the presence of Mo(VI), W(VI), U(VI), V(V), Ti(IV), Al(III), Cr(III), Fe(III), Mn(II), Zn(II) and Pb(II) has been studied using two alkylphosphinic acid extractants, Cyanex 272 and 301. The effect of various parameters, such as the nature of diluent, the type of mineral acid and the concentration of the acid, and metal ions has been investigated. The loading and recycling capacity of the extractants has been assessed. Based on the distribution data some binary separations from V(IV) were achieved.

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Authors and Affiliations

  1. Department of Chemistry, University of Roorkee, Roorkee – 247 667 (U.P.) India, , , , , , IN

    A. Saily & S. N. Tandon

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  1. A. Saily
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  2. S. N. Tandon
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Received: 24 October 1996 / Revised: 2 July 1997 / Accepted: 5 July 1997

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Saily, A., Tandon, S. Liquid – liquid extraction behavior of V(IV) using phosphinic acids as extractants. Fresenius J Anal Chem 360, 266–270 (1998). https://doi.org/10.1007/s002160050688

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  • DOI: https://doi.org/10.1007/s002160050688

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