L'étude de l'adsorption des halogenures d'ammonium quaternaire à l'interface mercure–solution

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Abstract
We examined the adsorption of 16 tetraalkylammonium halides, R4NX (where R = CH3, C2H5, n-C3H7 and n-C4H9 and X = F−, Cl−, Br− I−), at the mercury – aqueous electrolyte interface. From electrocapillary data we defined ΓΔ, the structural surface excess, which was interpreted in terms of the same ion–ion and ion–solvent interactions proposed for homogeneous solutions. If we treat mercury at the Epcn as a hydrophobic surface having infinite curvature, this parallelism extends even to the numerical calculation of the free energy of adsorption.

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