On the vapour pressure of radon

被引：10

作者：

Ferreira, A. G. M. ^{[1
]}

Lobo, L. Q. ^{[1
]}

机构：

[1] Univ Coimbra, Dept Engn Quim, P-3030 Coimbra, Portugal

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2007年 / 39卷 / 10期

关键词：

radon; vapour pressure; sublimation; triple-point; normal boiling temperature;

D O I：

10.1016/j.jct.2007.03.017

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The few, rather scarce, and old data on the vapour pressure and sublimation pressure of radon are re-examined in light of the Wagner equation, which is applied for the first time (as far as we are aware) to the sublimation curve. Numerical coefficients have been established for the representation of both equilibrium curves, and estimates are advanced for the coordinates of the critical point, the triple-point, and the normal boiling temperature of radon. Some important thermodynamic properties, e.g., the enthalpies of vaporisation, sublimation, and fusion are derived, and a (p, T) phase diagram is sketched. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1404 / 1406

页数：3

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