Abstract:A new method which uses multi-wave number and double-parameter to analyse the UV-Vis. spectra is proposed to determine the composition and stabilization constants of coordination compounds. With this method, the reaction of cobalt tetrasulphonated phthalcyanine[CoTsPc] and sodium sulfide[Na2S] was studied. The result shows that pH of the medium has great effect on the reaction. A five coordinated compound Co(Ⅱ)TsPc(HS) was formed at pH=7.0. The equilibrium constants and thermodynamics are reported for the reaction under that condition. At higher pH, a redox-reaction took place and a five coordinated compound with the oxidation number Ⅰ for cobalt [SCo(Ⅰ)TsPc] was found.
刘 巍,叶 涛,郭 荣. 四磺酸基酞菁钴与硫化物的轴向配位反应研究[J]. 光谱学与光谱分析, 2004, 24(06): 762-767.
LIU Wei,YE Tao,GUO Rong. Study on the Reaction between Cobalt Tetrasulphonated Phthalocyanine and Sodium Sulfide. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(06): 762-767.
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