V. S. Sagulenko, M. S. Galimzhanova, and R. M. Ergalieva
Institute of Chemistry of Petroleum and Natural Salts, National Academy of Sciences of Kazakhstan, Atyrau, Kazakhstan
Received July 6, 1995; in final form, April 22, 1997
Abstract—The dissociation constants of alkali metal (bis)pyrocatechol borates of the composition
Me[(C6H4O2)2B], where Me = Na, K, Rb, or Cs, are determined in methanol and ethanol at 25°C. The dissoci-
ation constants of weak electrolytes are calculated by the Fuoss–Kraus method. The conditions are found at
which Walden’s rule, linking the substance concentration with the medium permittivity, is valid.
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