Conclusions
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1.
X-ray diffraction analysts and low-temperature DTA have confirmed the formation of the unstable rubidium hexachlorocerate(IV) which is easily hydrolyzed with the formation of Ce(III) derivatives.
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2.
It has been established that the Rb and Cs hexachlorocerates are isomorphous.
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3.
The preparation of the hexachlorocerates(IV) of Li, Na, and K was unsuccessful (according to the low-temperature data).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 7–11, January, 1985.
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Kiselev, Y.M., Filatov, I.Y., Popov, A.I. et al. Existence of hexachlorocerates(IV) of alkali metals. Russ Chem Bull 34, 1–5 (1985). https://doi.org/10.1007/BF01157317
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DOI: https://doi.org/10.1007/BF01157317