E.m.f. measurements with solid electrolyte galvanic cells on the calcium oxide + zirconia system. Determination of the phase relationships
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 68, 1601-1610
- https://doi.org/10.1039/f19726801601
Abstract
E.m.f. measurements on the cell Pt | O2| CaO(+ CaF2)‖ CaF2(tF –= I)‖ ZrO2–CaO | O2| Pt have been carried out in the temperature range 900–1100°C to measure thermodynamic parameters of the lime + zirconia solid solutions and, possibly, to obtain complementary information on the phase-relationships across the concentration range investigated. Results show that the cubic field ranges only between xCaO= 0.14 and 0.17 and that at xCaO= 0.2 a CaZr4O9 phase is probably present. The results are discussed and compared with published data on the topic.Keywords
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