Solubility phase equilibrium in ternary system fullerenol C60(OH)24 and praseodymium salt: PrCl3-C60(OH)24-H2O at 25 C

Georgy A. Glushnev, Ayat Kanbar, В. А. Кескинов, Nikolay A. Charykov, Konstantin N. Semenov, Zh. K. Shaimardanov, Botagoz K. Shaimardanova, N. A. Kulenova, D. G. Letenko

2020

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DOI 10.17586/2220-8054-2020-11-4-462-467

Data confidence 85 high

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Abstract

Solubility diagram was investigated by the method of saturation in ampules at 25 ± 0.02 • C for 4 hours.The solubility diagram of the PrCl 3 -C 60 (OH) 24 -H 2 O ternary system at 25 • C occurs as simple eutonics, consisting of two branches, corresponding to the crystallization of crystalhydrates: PrCl 3 • 7H 2 O and C 60 (OH) 24 • 18H 2 O.The diagram contains one non-variant point each -eutonics, which corresponds to saturation with pair of crystal-hydrates simultaneously.The diagram also contains very short branch of PrCl 3 • 7H 2 O crystallization, and long branch of C 60 (OH) 24 • 18H 2 O, where the effect of fullerenol salt-out is distinctly observed.