Abstract
The solubility in water of anhydrous lithium monoborate has been determinedat 300 to 360°C. Equilibrium constants for the isocoulombic solubilityreactionLiBO2 (s) + H+ (aq) + H2O (1) = Li+ (aq) + H3BO3 (aq)have been calculated from measured concentrations of total B and total Li insolution. These high-temperature constants can be fitted by a three-term equationthat is consistent with thermodynamic data at 25°C. The heat capacity changefor the isocoulombic reaction is small and independent of temperature. Solubilityresults agree with unpublished measurements from early work on developmentof nuclear power. Solubilities reported by Bouaziz appear to be much too highand may apply to a hydrated phase.
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Byers, W.A., Lindsay, W.T. & Kunig, R.H. Solubility of Lithium Monoborate in High-Temperature Water. Journal of Solution Chemistry 29, 541–559 (2000). https://doi.org/10.1023/A:1005194129783
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DOI: https://doi.org/10.1023/A:1005194129783