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Determination of the activities of {xCaO +  (1 − x)LaCrO3} in the temperature range 1073 K to 1273 K by e.m.f. measurements

✍ Scribed by G. Róg; ; A. Kozlowska-Róg; ; M. Bucko

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
89 KB
Volume
32
Category
Article
ISSN
0021-9614

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✦ Synopsis

The activities of CaO and LaCrO 3 in {xCaO + (1 -x)LaCrO 3 }, 0 < x < 0.4, have been determined in the temperature range 1073 K to 1273 K by solid-electrolyte galvanic cells. Composite ionic conductors based on CaF 2 and Ca-β -Al 2 O 3 were applied as solid electrolytes. It was found that the solid solutions formed within the composition range 0 < x 0.25 exhibited strong positive deviation from ideal behaviour.

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