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Citation: Zhao Minshou, Feng Li, Lu Xiangping, Tang Dingxiang. MEASUREMENT OF SPECIFIC ELECTRICAL CONDUCTIVITY OF Na₃AlF₆-Al₂O₃-RE₂O₃ MELT BY FOUR ELECTRODE METHOD[J]. Chinese Journal of Applied Chemistry, ;1989, 6(5): 67-69. shu

MEASUREMENT OF SPECIFIC ELECTRICAL CONDUCTIVITY OF Na₃AlF₆-Al₂O₃-RE₂O₃ MELT BY FOUR ELECTRODE METHOD

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 28 April 1988
Available Online: 11 March 1989

Four electrode method has beenused in measuring the specific electrical conductivity k of Na₃AlF₆-Al₂O₃-RE₂O₃ melt. It is found.that k is decreased with increasing the contents of Al₂,O₃ and RE₂O₃ in the melt and is increased with temperature. The apparent activiation energy calculated is 18.84kJ/mol.The effect of the Al₂O₃ content on k is greater than that of the RE₂O₃ content.A mathematical model of the specific electrical conductivity of the melt is deduced with an accuracy of 95%.
- Sodium fluroaluminate,
- Aluminium oxide,
- Rare earth oxide,
- Melt,
- Four electrode method,
- Conductivity
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MEASUREMENT OF SPECIFIC ELECTRICAL CONDUCTIVITY OF Na3AlF6-Al2O3-RE2O3 MELT BY FOUR ELECTRODE METHOD

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MEASUREMENT OF SPECIFIC ELECTRICAL CONDUCTIVITY OF Na₃AlF₆-Al₂O₃-RE₂O₃ MELT BY FOUR ELECTRODE METHOD