Tetracyanonickelate compounds as sorptive materials and the substitution of their H2O content by D2O |
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Authors: | Anna Sopková Katarína Györyová Michal ?ingliar |
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Institution: | (1) Department of Inorganic Chemistry, Faculty of Sciences, University P. J. afarik, 041 54 Ko ice, Czechoslovakia;(2) Research Institute of Petrochemistry, 971 01 Prievidza, Czechoslovakia |
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Abstract: | The compounds NiNi(CN)4·3,5H2O and Ni(NH3)2Ni(CN)4·H2O have been studied to examine the possibility of substituting their H2O or NH3 content by D2O. Contact with D2O was performed after heating the compounds to several temperatures. Depending on the degree of decomposition of the original compounds different ranges of substitution were possible. In such manner the compounds NiNi(CN)4·3,5D2O, NiNi(CN)4·5D2O, Ni(NH3)2Ni(CN)4·D2O, and Ni(D2O)2Ni(CN)4·D2O were prepared and thermally they were less stable than the original ones. The substitution by D2O is in agreement with the sorptive properties of the original tetracyanonickelate against different organic compounds using GC, since these could substitute the guest component and sometimes also the ligands during their decomposition. |
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Keywords: | Tetracyanocomplexes substitution of H2O by D2O thermal decomposition temperatures for the substitution sorptive properties NiNi(CN)4· nD2O Ni(NH3)2Ni(CN)4· 1D2O Ni(D2O)2Ni(CN)4· D2O |
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