Chem. J. Chinese Universities ›› 1985, Vol. 6 ›› Issue (11): 977.
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An Xinmin, Liang Yongwu, Jia Dianzeng, Zhang Xiangdong
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Abstract: Ahighly sensitive colour reaction of mercury(Ⅱ)-meso-letra (P-sulfonatophenyl) porphyrin(TPPS4)-cctyltrimethy]ammonium bremicc (CTMAB) system has been investigated spectrophotometrically. Mccury reads rapidly with THS4 and CTMABto form a yellow-green ternary complex at pH = 11 under room temperature. The apparent molar absorptivity of the complex is 2.38×105 l·mol-1 ·cm-1 at 445 nm. The molar ratio of the complex has been estimated to be Hg:(TPPS4)= 1:1.
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An Xinmin, Liang Yongwu, Jia Dianzeng, Zhang Xiangdong . Study on Color Reaction of Ternary System of Mercury-meso-Tetra (P-Sulfonatophenyl)-Porphyrin-Cetyltrimethylammonium Bromid[J]. Chem. J. Chinese Universities, 1985, 6(11): 977.
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http://www.cjcu.jlu.edu.cn/EN/Y1985/V6/I11/977