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Recolector de Ciencia Abierta, RECOLECTA
Article . 1999 . Peer-reviewed
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Recolector de Ciencia Abierta, RECOLECTA
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Modeling Au(CN)math image extraction by mixtures of primene JMT and cyanex 925 reagents

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1999Publisher:John Wiley & Sons
Authors: Alguacil, Francisco José;

handle: 10261/38585

Modeling Au(CN)math image extraction by mixtures of primene JMT and cyanex 925 reagents

Abstract

A chemically based thermodynamic model to predict the distribution coefficient has been de®eloped for the Au(CN)2y-Primene JMT-Cyanex 925 system. The predicti®e model makes use of the extraction mechanism, speciation in the organic phase, and the equilibrium constant for the extraction reaction. The distribution coefficient of gold can be predicted by the equation D sK [Hq], where K is an effecti®e extraction con- Au stant and [Hq] is the proton concentration of the aqueous phase at equilibrium. Excellent agreement between the experimental data and the predicted ®alue was obtained. Furthermore, for the present extraction system, the equilibrium isotherm was determined at 20 C.

The author thanks the CSIC ŽSpain. for support to carry out this work. Also thanks to Rohm and Haas Co. and CYTEC Industries for the gift samples of Primene JMT and Cyanex 925, respectively.

Peer reviewed

Related Organizations
Keywords

equilibrium constant, Solvent extraction, Primene JMT, Cyanex 925, Gold

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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