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| ACTIVITY OF La_2O_3 IN LIQUID La_2O_3-CaF_2 AND La_2O_3-CaF_2-CaO-SiO_2 SLAGS |
| Wang Changzhen;Zou Yuanxi (Chou Yuan-hsi) North-Eastern Polytechnical Institute Shanghai Institute of Metallurgy; Academia Sinica |
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Cite this article:
Wang Changzhen;Zou Yuanxi (Chou Yuan-hsi) North-Eastern Polytechnical Institute Shanghai Institute of Metallurgy; Academia Sinica. ACTIVITY OF La_2O_3 IN LIQUID La_2O_3-CaF_2 AND La_2O_3-CaF_2-CaO-SiO_2 SLAGS. Acta Metall Sin, 1980, 16(2): 190-194.
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Abstract The activity of La_2O_3 in liquid La_2O_3-CaF_2 and La_2O_3-CaF_2-CaO-SiO_2 slagshas been determined at 1500℃ y equilibrating the slags with liquid tin in agraphite crucible under one atmosphere of carbon monoxide. From the ctivitydata on the La_2O_3-CaF_2 system, the activity of CaF_2 has been obtained by Gibbs-Duhem integration. The activity ata on the above mentioned slags are briefly discussed on thebasis of ionic constitution of liquid slags.
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Received: 18 February 1980
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[1] 王渭源,邹元爔,金属学报,6(1963) ,40．
[2] 邹元爔,赵彭年,曹兆民,金属学报,6(1963) ,121．
[3] Chou Yuan-hsi (邹元爔), Chow Ji-Cheng (周继程), Chao Peng-nian (赵彭年), Sci. Sinica, 12(1963) , 1249．
[4] Chou Yuan-hsi (邹元爔), Chao Peng-nian (赵彭年), Sci. Sinica, 11 (1962) , 1287．
[5] #12 |
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