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Quantitative description of macrocycle-mediated cation separations in liquid membranes and on silica gel as a function of system parameters

1988
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Pure and Applied Chemistry
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A b s t r a c t -Cation t r a n s p o r t by both n e u t r a l and p r o t o n -i o n i z a b l e macrocycles i n l i q u i d membranes is often diffusion limited. Extraction constants, d i s t r i b u t i o n c o e f f i c i e n t s , aqueous phase macrocycle-cation and a n i o n -c a t i o n i n t e r a c t i o n c o n s t a n t s and membrane geometry a r e t h e parameters i n the diffusion limited transport equations. On the other hand, the behavior of cation solutions i n s i l i c a gel

doi:10.1351/pac198860040453
fatcat:j4ukg3dbrrbwzkrpb5jl2yr6tq