P. Chandak, N. Mathur, S. Singhal
Sep 1, 1996
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Journal
Indian journal of chemistry. Sect. A: Inorganic, physical, theoretical & analytical
Abstract
Thiourea and its substituted derivatives have been reported as excellent analytical reagents in the determination of metal ions':". A survey of the literature reveals that analytical applications of thiazolyl thioureas have not been investigated in detail. The compounds are found to react with many metal ions to give colour reactions of analytical importance. The present note describes an inexpensive, accurate, reproducible, selective and sensitive method for the photometric determination of uranium{VI) with l-phenyl3-{2-thiazolyl )thiourea. Diverse methods for the photometric determination of uranium{VI) have been reported+" in the literature. A new method of extraction based on solid-liquid extraction as modified by Bowen 7 using polyurethane foam as adsorbent has been used for the photometric determination of uranium{VI). The use of polyurethane foam in extraction studies offers low solubility of the extractant, easy separation of the phases, easy use of large phase ratios and a synergistic extraction effect. This method is very convenient and less time consuming. Traces of uranium{VI) have been determined spectrophotometrically,