The vapour pressure and the enthalpy of sublimation. Determination by inert gas flow method

被引：118
|
作者：
Zielenkiewicz, X
Perlovich, GL
Wszelaka-Rylik, M
机构：
[1] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland
[2] Russian Acad Sci, Inst Solut Chem, Ivanovo 153045, Russia
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 1999年 / 57卷 / 01期
关键词：
2,4-diamino-6-hydroxypyrimidine; enthalpy of sublimation; inert gas flow method; 1-methyl-4N-methoxycytosine; 2,4,6-trihydroxypyrimidine; vapour pressure;
D O I：
10.1023/A:1010179814511
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A new device, based on the inert gas flow method, for measuring the vapour pressure and the determination of the enthalpy of sublimation in a wide range of temperatures (up to 573 K) is described in this paper. The limits of the flow rate as important experimental parameter were determined for the given instrument. The results of calibration showed a good precision and reproducibility of the measurements of the enthalpy of sublimation. The results of the determination of some derivatives of pyrimidine were presented.
引用
收藏
页码：225 / 234
页数：10
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