The dissociation pressure of gaseous vanadium in the reaction VC(s)=V(g)+C(graphite) has been determined in the range of 2346∼2545°K by means of Knudsen cell effusion method.
The pressure at the above temperature range is adequately expressed by log Pv(atm)=-30,400/T+7.50, from which, and coupling with the reported heat capacity data, the pertinent thermodynamic properties are calculated.
(Received February 10, 1961)
* Metallurgical Laboratory, Department of Chemistry, Faculty of Science, Kyoto University.
© 2002 The Japan Institute of Metals
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