Abstract:A B S T R A C TN,N-Bis(2-pyridylmethyl) L-methionine (BPMM) have been found to have a strong affinity for silver(I) and is used for the selective and rapid extraction of silver ion from aqueous solution to chloroform (99.8%). The effect of Ag(I) concentration, pH, diverse ions, and temperature on such extraction is reported. The extraction of Ag(I) with BPMM ligand is maximum at pH 4.0. The change of enthalpy value of the extraction reaction of Ag(I) with BPMM in chloroform is À0.021 J mole À1 , indicating the… Show more
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