| Sodium Activity in Molten Aluminum Measured with a Solid Electrolyte |
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| 作者单位： | Gang XIE Shanghai Institute of Metallurgy，Academia Sinica，Shanghai，200050，ChinaShiyin SHEN Northeast University of Technology，Shenyang，110006，China |
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| 摘 要： | The sodium activities in aluminium in equilibrium with cryolite-alumina melt and during electrolysiswere determined by EMF with Naβ-Al_2O_3 solid electrolyte.With this sodium activities,we calculatethe activities of NaF and AIF_3 in the cryolite-alumina melt.The potential difference of discharge be-tween sodium ions and aluminum ions at cathode of Hall-Heroult cell was also obtained from thesodium activity in aluminum.
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| 收稿时间： | 1993-09-28 |
Sodium Activity in Molten Aluminum Measured with a Solid Electrolyte |
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| Authors: | Gang XIE |
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| Affiliation: | Gang XIE Shanghai Institute of Metallurgy,Academia Sinica,Shanghai,,ChinaShiyin SHEN Northeast University of Technology,Shenyang,,China |
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| Abstract: | The sodium activities in aluminium in equilibrium with cryolite-alumina melt and during electrolysis were determined by EMF with Naβ-Al_2O_3 solid electrolyte.With this sodium activities,we calculate the activities of NaF and AIF_3 in the cryolite-alumina melt.The potential difference of discharge be- tween sodium ions and aluminum ions at cathode of Hall-Heroult cell was also obtained from the sodium activity in aluminum. |
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| Keywords: | activity solid electrolyte cryolite-alumina melt |
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