Pseudo-binary systems CsAlF4-KAlF4 and Cs3AlF6-K3AlF6 | |
Chen, R ; Zhang, QY | |
刊名 | 热化学学报
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1999 | |
关键词 | CsAlF4 KAlf(4) Cs3AlF6 K3AlF6 phase diagram |
DOI | 10.1016/S0040-6031(99)00196-3 |
英文摘要 | Phase relations in the system CsAlF4-KAlF4 and Cs3AlF6-K3AlF6 were investigated by DTA and XRD methods. In the system CsAlF4-KAlF4, two intermediate compounds 3CsAlF(4). KAlF4 and CsAlF4. KAlF4 were confirmed. The first one was indexed as orthorhombic with a = 9.079 +/- 0.003, b = 7.958 +/- 0.002, c = 7.648 +/- 0.004 Angstrom. The second one alpha-CsAlF4. KAlF4 is also orthorhombic, a = 10.982 +/- 0.005, b = 10.093 +/- 0.006, c = 6.160 +/- 0.002 Angstrom. Among the two compounds and KAlF4, two eutectic temperatures e(1) and e(2) are formed. The first eutectic temperature e(1) is located in 42 mol % KAlF4 at 525 degrees C, and e(2) in 70 mol % KAlF4 at 510 degrees C. The system Cs3AlF6-K3AlF6 is a successive solid solution system with the lowest melting point, the composition of which is 75 mol % Cs3AlF6 at 775 degrees C. In the solid solution, compound 2Cs(3)AlF(4). K3AlF6 was formed at 656 degrees C, and was indexed as a cubic cell with a = 8.891 Angstrom. (C) 1999 Elsevier Science B.V. All rights reserved.; Chemistry, Analytical; Chemistry, Physical; SCI(E); 4; ARTICLE; 1-2; 135-139; 335 |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.pku.edu.cn/handle/20.500.11897/214859] ![]() |
专题 | 化学与分子工程学院 |
推荐引用方式 GB/T 7714 | Chen, R,Zhang, QY. Pseudo-binary systems CsAlF4-KAlF4 and Cs3AlF6-K3AlF6[J]. 热化学学报,1999. |
APA | Chen, R,&Zhang, QY.(1999).Pseudo-binary systems CsAlF4-KAlF4 and Cs3AlF6-K3AlF6.热化学学报. |
MLA | Chen, R,et al."Pseudo-binary systems CsAlF4-KAlF4 and Cs3AlF6-K3AlF6".热化学学报 (1999). |
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