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doi:10.3866/PKU.WHXB19970410

Acta Phys. -Chim. Sin. ›› 1997, Vol. 13 ›› Issue (04): 335-343.doi: 10.3866/PKU.WHXB19970410

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Kinetic Studies on the Formation Reaction of Zinc(II)、Cadmium(II) and Mercury(II) with Porphyrins

Ruan Wen-Juan,Zhu Zhi-Ang,Lin Hua-Kuan,Chen Zheng-Hua,Chen Hong-Wei,Yang Xiu-Lin,Shao Ying,Chen Rong-Ti

Department of Chemistry,Nankai University,Tianjin 300071

Received:1996-09-03 Revised:1996-12-16 Published:1997-04-15
Contact: Zhu Zhi-Ang

Abstract

Abstract:

The kinetics of formation reaction of Zn(Ⅱ)、 Cd(Ⅱ)、 Hg(Ⅱ) with metamethyl tetraphenylporphyrin (H2T(m-CH3)PP) in acetone and Zn(Ⅱ) with tetraphenylporphyrin (H2TPP) in acetone or in DMF have been studied. A general mechanism was proposed and the kinetic parameters were obtained by non-linear least-squares program. The different behavior of the reaction system of Zn(Ⅱ)、 Cd(Ⅱ)、 Hg(Ⅱ) have been interpreted reasonably. The effects of temperature and solvent on the reaction rate were also investigated in this paper.

Key words: Porphyrins, Kinetics of formation reaction, Mechanism of reaction, Reaction rate, Stopped-flow

Ruan Wen-Juan,Zhu Zhi-Ang,Lin Hua-Kuan,Chen Zheng-Hua,Chen Hong-Wei,Yang Xiu-Lin. Kinetic Studies on the Formation Reaction of Zinc(II)、Cadmium(II) and Mercury(II) with Porphyrins[J].Acta Phys. -Chim. Sin., 1997, 13(04): 335-343.

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Kinetic Studies on the Formation Reaction of Zinc(II)、Cadmium(II) and Mercury(II) with Porphyrins

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