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Thermochemical study of vaporization of sodium and potassium perrhenate using a mass spectrometer

par Skudlarski, Krzysztof;Drowart, Jean ;Exsteen, G.;Vander Auwera-Mahieu, A.M.
Référence Transactions of the Faraday Society, 63, page (1146-1151)
Publication Publié, 1967

Article révisé par les pairs

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Résumé :

The vapour phase in equilibrium with sodium perrhenate and potassium perrhenate contains comparable amounts of the corresponding monomeric and dimeric molecules. Partial pressures and heats of vaporization for each of these species were measured: NaReO4(l)→NaReO4(g), ΔH°750=45.3±5 kcal/mole, 2NaReO4(l) →(NaReO4)2(g), ΔH°750=56. 7±5 kcal/mole, KReO4(s)→KReO4(g), ΔH°750=45.8±5 kcal/mole, 2KReO4(s) →(KReO4)2(g), ΔH°750=65. 6±5 kcal/mole.