Vapour Pressure Equations for the Metallic Elements: 298–2500K

Author: Alcock C. B.   Itkin V. P.   Horrigan M. K.  

Publisher: Maney Publishing

ISSN: 0008-4433

Source: Canadian Metallurgical Quarterly, Vol.23, Iss.3, 1984-07, pp. : 309-313

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Abstract

Vapour pressure equations are presented for the metallic elements up to curium. For each element a precise four-term equation and a more practically-based equation have been derived from a new evaluation of thermochemical data for the condensed and gaseous elements. It is intended that the equations should be used for ideal gases in the pressure range 10−15–10−3 atm, which covers the experimentally accessible range. The “precise” equations reproduce the data to better than ±1% and the “practical” equations provide better than ±5% accuracy.