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Capacité thermique à basse température et propriétés thermodynamiques d'hydrates triisothiocyanate de terres rares. 3. RE(NCS)3-6H(2)O (RE= samarium, gadolinium, ytterbium et yttrium).

Low-temperature heat capacities and thermodynamic properties of rare-earth triisothiocyanate hydrates. 3. RE(NCS)3-6H(2)O (RE= samarium, gadolinium, ytterbium and yttrium).

Auteurs : TAN Z., TAKASUKE M., HIROSHI S., ZHANG Z., YIN J., JIANG B., SUN T.

Type d'article : Article

Résumé

The paper reports the experimental heat capacities in the temperature range of 13-300 K for samarium, gadolinium, ytterbium and yttrium isothiocyanate hydrates. The polynomial equations for calculating the heat capacities of the four compounds in the range of 13-300 K were obtained. The low-temperature heat capacity values below 13 K were estimated. The standard molar thermodynamic functions were calculated from 0 to 300 K. Gibbs energies of formation were also calculated.

Détails

  • Titre original : Low-temperature heat capacities and thermodynamic properties of rare-earth triisothiocyanate hydrates. 3. RE(NCS)3-6H(2)O (RE= samarium, gadolinium, ytterbium and yttrium).
  • Identifiant de la fiche : 1998-2660
  • Langues : Anglais
  • Source : Sci. China, B - vol. 40 - n. 2
  • Date d'édition : 04/1997
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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