Composition dependence of the oxoacidobasic properties of molten hydroxides

Claes, Paul;Mernier, F;Wery, L;Glibert, Jacques
(1999) Electrochimica Acta — Vol. 44, n° 23, p. 3999-4006 (1999)

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  • Claes, PaulUCLouvain
    Author
  • Mernier, F
    Author
  • Wery, L
    Author
  • Glibert, JacquesUCLouvain
    Author
Abstract
B2O3 interacts with hydroxide melts and yields water and a mixture of BO33- and BO45- ions. In this work, the ratio of the concentrations of these two ionic species has been determined at 623 K as a function of the composition of mixtures of sodium and potassium hydroxides in a range extending from 24 to 100 mol% NaOH. The ratio C(BO45-)/C(BO33-) has a maximum value for the 24 mol% NaOH mixture and a minimum value for the 50 mol% mixture. This composition dependence of the stoichiometry of the dissolved boron species was interpreted in relation to changes of the acidobasic properties of hydroxide melts.} (C) 1999 Elsevier Science Ltd. All rights reserved.
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Claes, P., Mernier, F., Wery, L., & Glibert, J. (1999). Composition dependence of the oxoacidobasic properties of molten hydroxides. Electrochimica Acta, 44(23), 3999-4006. https://doi.org/10.1016/S0013-4686(99)00122-X (Original work published 1999)