FORMATION CONSTANTS OF SOME METAL BUTYLXANTHATO COMPLEXES
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概要
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The formation constants of some metal complexes of butylxanthate(X) were determined by the solvent extraction method under the conditions of ionic strength 0.25 and at 25℃. The logarithmic values of those obtained were 17.2(for FeX_3), 16.6(CuX_2), ll.l(InX_3), 5.7(SnX_2), 12.5(PbX_2), 28.3(BiX_3), and 7.0(SbX_3, as a conditional constant at pH 8.1). Among the same group metals in the periodic table, the stability of complex increases with increasing the atomic number of metal. These facts are discussed from a viewpoint of HSAB theory. The obtained values of distribution constant for palladium(II) and nickel(II) complexes are larger than that for other divalent metal complexes. Palladium(II) and nickel (II) are extracted as the complexes of coordination number 4.
- 社団法人日本分析化学会の論文
- 1982-03-05
著者
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Sakai Yoshiaki
Department Of Cardiology Chiba Emergency Medical Center
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Sakaki Yoshiaki
Department Of Chemistry Faculty Of Science Yamaguchi University
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- FORMATION CONSTANTS OF SOME METAL BUTYLXANTHATO COMPLEXES