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- W2372834317 abstract "The complex of Cu-TPPS was formed directly by mixing equal-molar concentrations of Cu~(2+) and meso-tetra(4-sulfonatophenyl) porphyrin(TPPS)in an acetate buffer solution at pH 4-6, and its electrochemical behavior was studied by the techniques of polarography, cyclic voltammetry and spectroelectrochemistry. Three different methods were applied to accelerating the formation of Cu-TPPS in aqueous solution, i.e. heating of solution,using vitamin C as a catalyst and preadsorbing TPPS on a hanging mercury electrode. The voltammetric reductions have shown 2e~- for the first step of TPPS and 4e~- for Cu-TPPS with a peak potential at -1.04V. By applying the method of spectroelectrochemistry using a selfdesigned long-optical-path cell with Hg working electrode, the amount of saturated adsorption of TPPS and Cu-TPPS on mercury surface is found to be the same. Hence, the area of the adsorbed molecule calculated by measuring the area (i×t) under the voltammetric peak is also the same as 395 (?)~2." @default.
- W2372834317 created "2016-06-24" @default.
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- W2372834317 date "1993-01-01" @default.
- W2372834317 modified "2023-09-27" @default.
- W2372834317 title "Electrochemical Behavior of meso-Tetra (4-Sulfonatophenyl) Porphyrin and Its Copper Complex" @default.
- W2372834317 hasPublicationYear "1993" @default.
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