Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2011 Vol: 3 Issue: 4

Solvent Extraction of Iron(III) by Tri-n-Octyl Phosphine Oxide

Abstract

The extraction of Iron (III) from Sulphuric nitric, perchloric and acetic acid solutions with Trin- Octyl Phosphine Oxide (TOPO) in benzene has been studied. The extractions from sulphuric and acetic acid solutions are nearly quantitative and are partial from nitric and perchloric acid solutions. The optimum conditions for extraction were established from the study of the effect of several variables like– concentration of the extractant, metal ion, acidity, foreign ions etc. Based on the results obtained, the probable extracted species are also suggested. The method has been applied for the determination of iron in natural food as well as pharmaceutical samples.

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