Extraction and spectrophotometric determination of rhenium(VII) with thiocyanate and amides.

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概要

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• A new spectrophotometric method for determining rhenium with thiocyanate and organic reagents such as amides, thioamide and hydrazide over 2.0–6.0 mol dm<SUP>−3</SUP> H<SUB>2</SUB>SO<SUB>4</SUB> is described. The molar absorptivity of the complexes in the organic solvents are (2.57–3.01)×10<SUP>4</SUP> 1 mol<SUP>−1</SUP> cm<SUP>−1</SUP> at absorption maximum. Of these, <I>N</I>-phenylacetamide (PAA) has been chosen for detailed studies. The detection limit of the method with PAA is 0.03 μg Re cm<SUP>−3</SUP>. The effect of kinds of acids, solvents or reagents and of diverse ions is discussed.

• 公益社団法人 日本化学会の論文

著者

• Mishra Neera

  Department of Chemistry, Ravishankar University

• Sinha S.

  Department of Chemistry, Ravishankar University

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• Extraction and spectrophotometric determination of rhenium(VII) with thiocyanate and amides.

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