Conclusions
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1.
The solubility of sodium tetraphenyiborate (TPB) in solutions of NaCl, NaNO3, Na2SO4 and NaCl+MgCl2 was studied at 25°C.
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2.
The solubility of sodium TPB drops to zero with increasing concentration of the salting out agent in solution, and 1 g-eq of sodium TPB is isolated per 1.5 g-eq of the added Na salt.
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3.
The optimum initial concentration of sodium TPB, recommended for the isolation of the salt from aqueous solution and for its purification, is equal to 8%.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 12–14, January, 1971.
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Kozitskii, V.P. Solubility of sodium tetraphenylborate in solutions of NaCl, Na2NO3, Na2SO4, NaCl+MgCl2 at 25°. Russ Chem Bull 21, 10–12 (1972). https://doi.org/10.1007/BF00855645
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DOI: https://doi.org/10.1007/BF00855645