Kinetics of the transfer of picrate ion at the water/nitrobenzene interface.

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概要

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• Kinetics of the transfer of picrate (Pic<SUP>−</SUP>) ion at the interface between an aqueous solution of lithium chloride (LiCl) and a nitrobenzene solution of tetrabutylammonium tetraphenylborate (TBATPB) has been studied by phase-selective a.c. polarography with a two-electrode cell system. By assuming Butler-Volmer type equations for the rate constants, the kinetic parameters of the Pic<SUP>−</SUP>-ion transfer have been determined at various concentrations of LiCl (0.02–1.0 mol dm<SUP>−3</SUP>) and TBATPB (0.05–0.17 mol dm<SUP>−3</SUP>). The rate constants virtually do not change with the electrolyte concentrations. Frumkin correction for the double-layer effect of the rate constants has been examined. The result seems to indicate that the observed potential dependence of the rate constants obtained in moderately concentrated electrolyte solutions may reflect the real potential dependence of the rate constants.

• 公益社団法人 日本化学会の論文

著者

• Kakutani Tadaaki

  Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University

• Senda Mitsugi

  Department Of Agricultural Chemistry College Of Agriculture Kyoto University

• Osakai Toshiyuki

  Department Of Agricultural Chemistry Faculty Of Agriculture

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