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Citation: Li Guogang, Lin Zhongpeng, Gao Xiaoxia. VOLTAMMETRIC STUDY OF MESO-TETRA(p-SULPHONATE-PHENYL) PORPHYRIN(TPPS) AND ITS ZINK COMPLEX[J]. Chinese Journal of Applied Chemistry, ;1990, 7(4): 47-51. shu

VOLTAMMETRIC STUDY OF MESO-TETRA(p-SULPHONATE-PHENYL) PORPHYRIN(TPPS) AND ITS ZINK COMPLEX

1.
Department of Chemistry, Peking University, Beijing 100871

Received Date: 11 July 1989
Available Online: 20 November 1989
Fund Project:

In the solution of (0.4 mol KOH+0.6mol NH₄Cl)/L PH=9.5 TPPS produces three po-larographic waves. The first step of reduction which involves 2H⁺ is a 2e reversible electrode process. Being coordinated with Zn(Ⅱ), the complex of ZnTPPS gave two reduction waves and one oxidation wave. The first reduction wave of ZnTPPS is reversible and involves one H⁺. Redunction of Zn²⁺ during or after the first reduction wave may result from the disso-ciation of ZnTPPS. The nearly equal strong adsorption of TPPS and ZnTPPS on Hg electrode was observed and Γ⁵⁰,β₀, K₀ and G⁰ were cal culated.
- meso-tetra-(p-su'phenate-phenyl) porphyrin,
- meso-tetra(p-sulphonate-phenyl) zine(Ⅱ) porphyrin,
- voltammetry
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