Conclusions
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1.
The isotherm of solubility at 20° was studied in the ternary system Rb2CO3-H2O2-H2O; the existence of two solid phases — Rb2CO3·2H2O and Rb2CO3·3H2O2.
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2.
A comparison of the data of the solubility isotherms in the interval −40 to 20° in the ternary system Rb2CO3-H2O2-H2O indicated that at 0° the region of crystallization of Rb2CO3·3H2O2 is a maximum.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2374–2379, November, 1971.
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Dzyatkevich, B.S., Dobrynina, T.A. & Akhapkina, N.A. Investigation of peroxyhydrates and hydrates of rubidium and cesium carbonates Communication 6. Solubility isotherm at 20° of the ternary system Rb2CO3-H2O2-H2O. Russ Chem Bull 20, 2258–2261 (1971). https://doi.org/10.1007/BF00854291
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DOI: https://doi.org/10.1007/BF00854291