Phase transformation, oxidation and hydration of praseodymium sesquioxide

Sastry, R. L. N. ; Mehrotra, P. N. ; Rao, C. N. R. (1966) Phase transformation, oxidation and hydration of praseodymium sesquioxide Transactions of the Faraday Society, 62 . pp. 1632-1637. ISSN 0014-7672

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Official URL: http://pubs.rsc.org/en/content/articlelanding/1966...

Related URL: http://dx.doi.org/10.1039/TF9666201632

Abstract

The C→A transformation of Pr2O3 has been examined. The transformation is sluggish and takes place at and above 750°C. C-Pr2O3 is oxidized at a lower temperature than the A-form and oxidation proceeds in two stages in both cases. A hydrate Pr2O3 H2O, formed by the interaction of C-Pr2O3 and water at relatively high temperature, is described and its behaviour compared with that of Pr(OH)3. The C-form undergoes hydration at 40°C while the A-form does not. All the observations have been explained in terms of the defect structure of C-Pr2O3.

Item Type:Article
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ID Code:44603
Deposited On:22 Jun 2011 12:00
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