Solubility in the manganese perchlorate–urea–perchloric acid–water system at 25°С

Rakhmetulla Erkasov, Р. С. Оразбаева, R. M. Nesmeyanova, S. R. Massakbayeva

2016

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DOI 10.1134/s0036023616030086
Data confidence 70 medium
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Abstract

Heterogeneous equilibria in the manganese perchlorate–urea–perchloric acid–water quaternary system at 25°С were studied by investigating solubility. The crystallization regions were determined for the initial solid components, eutonic compositions of ternary systems constituting the quaternary system, binary compounds of urea with manganese perchlorate and perchloric acid, and also two new coordination compounds containing simultaneously manganese perchlorate, urea, and perchloric acid: Mn(ClO 4 ) 2 · 4CO(NH 2 ) 2 · HClO 4 and Mn(ClO 4 ) 2 · 2CO(NH 2 ) 2 · HClO 4 .