Abstract

ABSTRACT The extraction of Ag(I)and Hg(II) from chloride solutions of constant ionic strength (lM) by O,O-di-n-butyl a -phenylamino--phenylmethanethiophosphonate dissolved in trichloromethane has been studied. The extraction dependences of metals on the ligand, hydrogen and chloride ions concentrations have been analysed to determine the stoichiometry of the extracted complexes and their equilibrium constants. Evidence was found for the formation of the complexes

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