Complexation in Binary Cd2[Fe(CN)6]–M(II) Systems (M = Mn,Co, Ni,Cu, Zn) in Gelatin-Immobilized Cadmium(II) Hexacyanoferrates(II) |
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| Authors: | Mikhailov O V Tatarintseva T B Naumkina N I |
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| Institution: | (1) Kazan State Technological University, ul. Karla Marksa 68, Kazan, 420015 Tatarstan, Russia |
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| Abstract: | Complexation processes that occur between cadmium(II) hexacyanoferrate(II) (Cd2Fe(CN)6]) and 3d-metal ions M(II) (M = Mn, Co, Ni, Cu, Zn) in thin gelatin layers with the immobilized cadmium(II) hexacyanoferrates when brought in contact with aqueous solutions of d-metal chlorides are studied. Cd2+ ions were found to be replaced to some extent by M2+ ions of the indicated d metals (except for Mn(II)) and form binuclear (dd)-metal hexacyanoferrates(II). A complete replacement of Cd(II) and formation of M2Fe(CN)6] was observed in none of the cases. |
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