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Radiotracer study of synergic effect of trioctyl phosphine oxide on the solvent extraction of gold(III)-β-diketonates

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Abstracts

Liquid–liquid extraction of gold(III) with two β-diketones e.g. Benzoyl acetone (BZAC) and theonyl trifluoro acetone (TTA) and enhancement effects of trioctyl phosphine oxide on such extractions in various organic media have been studied by radiotracer technique. Strong ternary adduct complex formation were reported in chloroform (BZAC chelate) and carbontetrachloride (TTA chelate) media. Effect of temperature variation established such processes as spontaneous, enthalpy favoured with net loss in entropy. Synergic effects were reported to be strongly diluent dependent and Hildebrand’s regular solution theory was found to be applicable in such systems.

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Acknowledgment

Authors thank Dr. D. Das of BARC, Mumbai, India for his help.

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  1. Department of Chemistry, The University of Burdwan, Golapbag, 713104, India

    R. Sarkar, P. Dey & S. Basu

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  1. R. Sarkar
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  2. P. Dey
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  3. S. Basu
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Correspondence to S. Basu.

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Sarkar, R., Dey, P. & Basu, S. Radiotracer study of synergic effect of trioctyl phosphine oxide on the solvent extraction of gold(III)-β-diketonates. J Radioanal Nucl Chem 292, 131–139 (2012). https://doi.org/10.1007/s10967-011-1442-y

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  • DOI: https://doi.org/10.1007/s10967-011-1442-y

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