The activities of CaO and CoO in {xCaO + (1x)CoO} have been determined in the temperature range T = 1173 K to T = 1373 K by solid-electrolyte galvanic cells. The solubility limits of CaO in CoO and CoO in CaO have been estimated. The solutions deviate strongly from ideal behaviour.
Determination of the activities in {xCaO + (1−x)NiO} by solid-electrolyte galvanic cells in the temperature range 1123 K to 1313 K
✍ Scribed by G. Róg; A. Kozłowska-Róg; M.M. Bućko
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 112 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0021-9614
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✦ Synopsis
´Ä Ž . 4 The activities of CaO and NiO in xCaO q 1 y x NiO have been determined in the temperature range 1123 K to 1313 K by the solid-electrolyte galvanic cell technique. The solubility limits of CaO in NiO and of NiO in CaO have been estimated. The solutions exhibit strong positive deviations from ideal behaviour.
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The activities of CuO and NiO in {xCuO + (1x)NiO} have been determined in the temperature range 1170 K to 1370 K by solid-electrolyte galvanic cells. The solubility limits of CuO in NiO and NiO in CuO have been estimated. The solutions exhibit strong positive deviations from ideal behaviour.
The {xMnO + (1x)NiO} solid solutions were studied thermodynamically in the temperature range from 973 K to 1173 K by solid-state galvanic cells containing b0-alumina electrolytes conducting manganese(II) and nickel(II) ions, respectively. The experimental procedure allowed us to determine the NiO an
By the use of a solid electrolyte: Ca-b0-alumina, conducting Ca 2+ ions, the CaO activities in {xCaO + (1-x)ZrO2} at the temperature 1270 K have been determined. The cubic solid solutions CaO in ZrO2 formed in this mixture in the composition range x=0.11 to 0.16 exhibit negative deviations from Raou