A preliminary investigation of ionic adsorption at the mercury—hexamethyl phosphoric triamide interface |
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| Authors: | MD Mackey R Peat |
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| Institution: | Department of Chemistry, Memorial University of Newfoundland, St. John''s, Newfoundland, A1B 3X7 Canada |
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| Abstract: | A reference electrode is described that is reversible and reproducible in hexamethyl phosphoric triamide; it was used to study the adsorption of 1 : 1 electrolytes at the mercury—solution interface. The differential capacity curves show features similar to those found for water and the degree of specific adsorption of the anions follows the same sequence: PF?6 < BF?4, ClO?4 < Br?. There appears to be no specific adsorption of the alkali metal cations at negative charge values whereas the tetraalkyl ammonium ions are strongly adsorbed. |
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| Keywords: | To whom correspondence should be addressed |
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