CJCU

Chem. J. Chinese Universities ›› 1986, Vol. 7 ›› Issue (1): 30.

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Spectrophotometric Study on the Reaction of meso-Tetra-(3-Methylphenyl) Porphyrin with Cadmium

Tong Shenyang, Zhao Fenglin, Liu Hong   

  1. Department of Chemistry, Peking University Beijing
  • Received:1984-09-08 Online:1986-01-24 Published:1986-01-24

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Abstract: Properties of mcso-(3-mcthylphenyl) porphyrin and its complex formation reaction with cadmium (Ⅱ) were studied. The dissociation constant of the reagent was calculated by PC-8001 Bcomputer according to A～pHcurve, pK3.4 = 5.67 ± 0.07. The complex has an absorption maximum at 432nm, and the maximum absorbancc was obtained in the pH 9.2 to 10.0. The apparent molar absorptivity of the complex is 3.8×105.

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