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金属学报  1980, Vol. 16 Issue (2): 190-194    
  论文 本期目录 | 过刊浏览 |
液态La_2O_3-CaF_2和La_2O_3-CaF_2-CaO-SiO_2渣中La_2O_3的活度
王常珍;邹元爔
东北工学院;中国科学院上海冶金研究所
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
引用本文:

王常珍;邹元爔. 液态La_2O_3-CaF_2和La_2O_3-CaF_2-CaO-SiO_2渣中La_2O_3的活度[J]. 金属学报, 1980, 16(2): 190-194.
, . ACTIVITY OF La_2O_3 IN LIQUID La_2O_3-CaF_2 AND La_2O_3-CaF_2-CaO-SiO_2 SLAGS[J]. Acta Metall Sin, 1980, 16(2): 190-194.

全文: PDF(369 KB)  
摘要: 用石墨为还原剂,将渣中La_2O_3还原入液态Sn,以测定1500℃下La_2O_3-CaF_2和La_2O_3-CaF_2-CaO-SiO_2渣中La_2O_3的活度.对La_2O_3-CaF_2系,并用Gibbs-Duhem积分法求得CaF_2的活度. 根据液态渣的离子结构模型,对上述二渣系中La_2O_3的活度数据进行了简单的讨论.
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.
收稿日期: 1980-02-18     
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