(Liquid + solid) metastable equilibria in quinary system Li2CO3 + Na2CO3 + K2CO3 + Li2B4O7 + Na2B4O7 + K2B4O7 + H2O at T=288 K for Zhabuye salt lake |
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| Affiliation: | 2. Department of Urology, University of California, Davis, CA, USA;3. Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA;1. Vinogradov Institute of Geochemistry, Russian Academy of Sciences, Siberian Branch, Irkutsk 664033, Russia;2. Sobolev Institute of Geology and Mineralogy, Russian Academy of Sciences, Siberian Branch, Novosibirsk 630090, Russia;3. Novosibirsk State University, Novosibirsk 630090, Russia;4. ARC Centre of Excellence for Core to Crust Fluid Systems (CCFS) and GEMOC, Department of Earth & Planetary Science, Macquarie University, NSW 2109, Australia;5. Geosciences Institute, Goethe University, Frankfurt am Main, 60438, Germany |
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| Abstract: | An experimental study on metastable equilibria at T=288 K in the quinary system Li2CO3 + Na2CO3 + K2CO3 + Li2B4O7 + Na2B4O7 + K2B4O7 + H2O was done by isothermal evaporation method. Metastable equilibrium solubilities and densities of the solution were determined experimentally. According to the experimental data, the metastable equilibrium phase diagram under the condition saturated with Li2CO3 was plotted, in which there are four invariant points; nine univariant curves; six fields of crystallization: K2CO3 · 3/2H2O, K2B4O7 · 5H2O, Li2B2O4 · 16H2O, Na2B2O4 · 8H2O, Na2CO3 · 10H2O, NaKCO3 · 6H2O. Some differences were found between the stable phase diagram at T=298 K and the metastable one at T=288 K. |
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