Abstract
A study has been made of the ion-exchange equilibria of NH+4, CH3NH+3, C2H5NH+3, n-C3H7NH+3, n-C4H9NH+3, (CH3)2NH+2, (CH3)3NH+, (C2H5)2NH+2 and (C2H5)3NH+ by the zeolite L. None of the alkylammonium ions could effect a complete replacement of the cations initially present in the zeolite. The maximum extent of exchange and the standard free energy of exchange were related to the molecular weight of the entering alkylammonium ions.It is suggested that there was an equilibrium distribution of the exchangeable cations over the different sites (C and D), governed by the nature and affinity of the entering alkylammonium ion and the cation initially present in the zeolite.
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
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