Spectropotentiometric Study of Complexation Equilibrium in the System H2TAPBr4, H2TAPCl4-(CH3COO)2Cd-HClO4-DMSO at 298 K |
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| Authors: | Ivanova Yu. B. Simonova O. R. Sheinin V. B. Chizhova N. V. Berezin B. D. |
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| Affiliation: | (1) Institute of Solution Chemistry, Russian Academy of Sciences, Ivanovo, Russia |
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| Abstract: | A procedure was suggested for direct measurement of the equilibrium constant of complex formation of porphyrins MX2 + H2P  MP + 2HX, based on providing conditions under which the direct reaction is suppressed and the reverse reaction is facilitated. The procedure is applicable to complexation of Cd2+ with tetrachloro- and tetrabromotetraazaporphyrins in DMSO in the presence of HClO4. |
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