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Vaporization Of Compounds And Alloys At High Temperatures Part XIX. Mass Spectrometric Determination Of The Dissociation Energy of The Molecules Sc2, Y2, La2 AND YLa

Report Number: WADD TR 60-782 Part XIX
Author: Verhaegen, G.
Author: Drowart, J.
Author: Smoes, S.
Corporate Author: Universite Libre de Bruxelles, Brussels, Belgium
Laboratory: Air Force Materials Laboratory
Date of Publication: 1963-11
Pages: 10
Contract: AF 61(052)-225
Project: 7350
Task: 735001
AD Number: AD0426819

The diatomic molecules Sc2, Y2, La2 and YLa have been identified mass spectrometrically in the vapors above condensed scandium, yttrium, lanthanum and Y-La alloys respectively. Their dissociation energies are Do° (Sc2) = 25.9±5, Do° (Y2) = 37.3±5, Do° (La2) = 57.6±5 and Do° (YLa) = 47.3±5 kcal/mole.

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