Thermal stability of CsH2PO4

Gupta, L. C. ; Rao, U. R. K. ; Venkateswarlu, K. S. ; Wani, B. R. (1980) Thermal stability of CsH2PO4 Thermochimica Acta, 42 (1). pp. 85-90. ISSN 0040-6031

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The thermal behaviour of CsH2PO4 (CDP) was investigated using micro TG, DSC, X-ray and optical microscopy. The loss in weight commences at 508 K and levels off at 688 K. Although there is no water of hydration as such in this compound, the overall loss in weight corresponds to one molecule of H2O, giving CsPO3. Concomitant with this "dehydration", CDP also undergoes a reversible polymorphic phase transition at 508 K, as evidenced by DSC and optical microscopic data. The process of "dehydration" might go through an intermediate, Cs2H2P2O7, as in the case of NaH2PO4.

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Deposited On:09 Nov 2010 03:34
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