Abstract:Secondary equilibrium chromatography has proved a useful tool for determining the polyether complexation constants. Both a cation-exchange and anion-exchange method can be used for this purpose. In the present paper, the applicability and versatility of the latter method, based on the surface complexation of polyethers with ammonium ions anchored on the stationary phase surface, are discussed, and compared with those of the former established method. The precision of the chromatographically determined complexa… Show more
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