Conclusions
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1.
The authors have investigated the reaction of aluminum chloride with solutions of ammonium perchlorate in perchloric acid in absence of oxonium perchlorate. At a molar ratio NH4:Al=1 they obtained anhydrous tetraperchloratoaluminate solvated with perchloric acid; at a ratio NH4:Al=2, (NH4)2-Al(ClO4)5 crystallizes from perchloric acid; and at NH4∶Al=3, (NH4)3(ClO4)6 crystallizes.
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2.
By desolvation of the tetraperchloratoaluminate solvated with perchloric acid, they have obtained NH4Al(ClO4)4 in vacuum at 50–70°C.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 521–524, March, 1978.
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Nikitina, Z.K., Rosolovskii, V.Y. Ammonium perchloratoaluminates. Russ Chem Bull 27, 449–452 (1978). https://doi.org/10.1007/BF00923912
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DOI: https://doi.org/10.1007/BF00923912