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This paper describes the results of detailed studies on the roles of two components used as carrier for the transport of Cu(II) through the permeation liquid membrane (PLM): lauric acid (LAH) and N,N-didecyl-diaza-18-crown-6 ether (22DD). An overall mechanism of Cu(II) transport is proposed, based on a number of results reported in this and previous papers. The structure of the active forms of Cu(II)...
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