中华医学超声杂志

应用化学 ›› 1992, Vol. 0 ›› Issue (6): 6-10.

• 研究论文 • 上一篇    下一篇

光照下meso-四(4-磺基苯基)卟啉(H2TPPS)形成锌配合物的光-极谱研究

李国刚, 高小霞   

  1. 北京大学化学系, 北京 100871
  • 收稿日期:1992-01-06 修回日期:1992-03-18 出版日期:1992-12-10 发布日期:1992-12-10
  • 基金资助:
    国家自然科学基金

PHOTOCHEMICAL AND PHOTOPOLAROGRAPHIC STUDY OF ZINC COMPLEX OF meso-TETRA(p-SULPHONATEPHENYL) PORPHYRIN (H2TPPS)UNDER IRRADIATION

Li Guogang, Gao Xiaoxia   

  1. Department of Chemistry, Peking University, Beijing 100871
  • Received:1992-01-06 Revised:1992-03-18 Published:1992-12-10 Online:1992-12-10

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395

摘要： 在氨性溶液中,光照射对ZnTPPS的形成影响很大。光-极谱试验表明:光电流(ip)与浓度(c)间有以下的关系:对Zn(NH3)42+,ip∝C(Zn)1/2(NH3)42+,对H2TPPS,ip∝CH2TPPS,ZnTPPS络合物还原波的ip不明显。本文对其差异性和光电流产生的原因做了初步探讨。

关键词: 卟啉, 锌卟啉, 光-极谱

Abstract: In the solution of 0.4KOH+0.6mol NH4Cl+0.1Im. mol/L (pH=9.5), the irradiation of UV-Vis light has great effects on the formation of ZnTPPS. The experimental results of photopolarography have shown that the relationship between photocurrent (ip) and concentration (C) are: ip∝CZn1/2(NH3)42+ for Zn(NH3)42+and ip∝CH2TPPS for the third reduetive wave (P3)of H2TPPS, respectively, while the first reductive wave (P1) of H2TPPS and the wave Pc of ZnTPPS do not produce photocurrent. The differences in photoeurrents were discussed briefly.

Key words: H2TPPS, ZnTPPS, photopolarography

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