Prediction of vapor pressures of pure compounds from knowledge of the normal boiling point temperature

被引：17

作者：

Voutsas, E ^{[1
]}

Lampadariou, M ^{[1
]}

Magoulas, K ^{[1
]}

Tassios, D ^{[1
]}

机构：

[1] Natl Tech Univ Athens, Dept Chem Engn, Thermodynam & Transport Phenomena Lab, Athens 15780, Greece

来源：

FLUID PHASE EQUILIBRIA | 2002年 / 198卷 / 01期

关键词：

vapor pressure; pure; prediction; normal boiling point;

D O I：

10.1016/S0378-3812(01)00736-1

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A simple method for the prediction of vapor pressures of pure compounds from knowledge of the normal boiling point temperature is presented. Typical errors down to 10(-5) bar (1 Pa) are below 20% and are off only by a factor of 2-3 down to 10(-9) bar (10(-4) Pa), which must be considered very satisfactory considering the simplicity of the method and the uncertainty in the very low vapor pressure data. For higher pressures. up to 5 bar, very satisfactory results are obtained with typical errors below 3% but somewhat higher for alcohols. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：81 / 93

页数：13

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