Cyanide thermodynamics 2. Stability constants of copper(I) cyanide complexes in aqueous acetonitrile mixtures
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Kurnia, K., Giles, D.E., May, P.M., Singh, P. and Hefter, G. (1996) Cyanide thermodynamics 2. Stability constants of copper(I) cyanide complexes in aqueous acetonitrile mixtures. Talanta, 43 (12). pp. 2045-2051.
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Abstract
The stability (formation) constants of the binary Cu(I)-CN− complexes have been measured in five aqueous mixtures containing from 10% to 70% v/v acetonitrile (MeCN) by glass electrode potentiometry at 25 °C and an ionic strength of l M (NaClO4). The constants show monotonic increases with MeCN concentration, the changes being greatest for the higher order complexes, consistent with the unfavourable solvation of CN − in these mixtures. The sparing solubility of CuCN(s) prevented determination of the stability constant for CuCN 0 (soln.) at low MeCN concentrations.
| Publication Type: | Journal Article |
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| Murdoch Affiliation: | School of Chemical and Mathematical Science |
| Publisher: | Elsevier BV |
| Copyright: | (c) Elsevier |
| URI: | http://researchrepository.murdoch.edu.au/id/eprint/1522 |
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