Phase diagrams of urea inclusion compounds .2. Stearic acid and urea

被引：8
|
作者：
KuhnertBrandstatter, M
Burger, A
机构：
[1] University of Innsbruck,Institute of Pharmacognosy
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 1997年 / 50卷 / 04期
关键词：
binary systems; inclusion compounds; stearic acid; urea;
D O I：
10.1007/BF01979028
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The stearic acid-urea binary system exhibits an unusual phase diagram, which, on the one hand, indicates an incongruently melting inclusion compound and on the other hand a miscibility gap in the liquid phases. The peritectic point lies near the melting point of urea and the unstable congruent melting point of the inclusion compound coincides with the melting point of urea. In addition to the processing of the phase diagram, the pure inclusion compound was prepared and its DSC curve, FTIR spectrum and X-ray diffractogram were recorded.
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页码：559 / 567
页数：9
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