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Start Over Author "Rönkkömäki, H." Journal inorganic chemistry communications
2 results on '"Rönkkömäki, H."'

2. 7Li, 23Na, 39K and 133CsNMR comparative equilibrium study of alkali metal cation hydroxide complexes in aqueous solutions. First numerical value for CsOH formation.

Author

Popov, K., Lajunen, L.H.J., Popov, A., Rönkkömäki, H., Hannu-Kuure, M., and Vendilo, A.

Subjects
*METAL halides, *HYDROLYSIS
Abstract

7Li, 23Na, 39K and 133Cs NMR spectrometric comparative study of 0.05 M alkali metal chloride hydrolysis in aqueous solutions 3.4 M Me4NCl/Me4NOH at 25 °C is performed. It is found that chemical shifts of all nuclei involved are sensitive to variations of ionic strength and pH. Stability constants for Li+, Na+, K+ and Cs+ lg K(M+OH⇔MOH) are found to be −0.04 (0.05), −0.93 (0.04), −0.7 (0.2) and −0.8 (0.1), respectively. The stability of CsOH is estimated to be the same as that of NaOH and KOH within an experimental error. No evidence of chloro-complexes formation was found. [Copyright &y& Elsevier]

Published
2002
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