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AbstractAbstract
[en] We have determined experimentally the equilibrium constant K of each of the following isotope exchanges: SH2 + OHD ↔ SHD + OH2; SeH2 + OHD ↔ SeHD + OH2; TeH2 + OHD ↔ TeHD + OH2. In gaseous phase, statistical thermodynamics leads to the expression: K (ZOHD x ZRH2)/(ZOH2 x ZRHD) x eW/T (R being the elements S, Se or Te). Z, the partition functions, have been calculated and, through our experimental results, the constant W has been determined. Having obtained W, the equilibrium constant K has been calculated for a series of temperatures. (author)
[fr]
Nous avons determine experimentalement la constante K de chacun des equilibres isotopiques suivants: SH2 + OHD ↔ SHD + OH2; SeH2 + OHD ↔ SeHD + OH2; TeH2 + OHD ↔ TeHD + OH2. En phase gazeuse, la thermodynamique donne l'expression: K = (ZOHD x ZRH2)/(ZOH2 x ZRHD) x eW/T (R representant un atome de soufre, selenium ou tellure). Les fonctions de partition Z de chacune des molecules ont ete calculees et, grace a nos resultats experimentaux, nous avons determine la constante W. Connaissant W, la constante d'equilibre K a pu etre tabulee en fonction de la temperature. (auteur)Original Title
Etude des constantes des equilibres isotopiques du deuterium entre l'eau et les hydrures des metalloides de la deuxieme famille
Primary Subject
Source
Nov 1959; 60 p; 45 refs.; These sciences
Record Type
Report
Literature Type
Thesis/Dissertation
Report Number
Country of publication
CHALCOGENIDES, COLLECTIVE MODEL, DEUTERIUM COMPOUNDS, FUNCTIONS, HYDRIDES, HYDROGEN COMPOUNDS, HYDROGEN ISOTOPES, ISOTOPES, LIGHT NUCLEI, MATHEMATICAL MODELS, MECHANICS, NUCLEAR MODELS, NUCLEI, ODD-ODD NUCLEI, OXYGEN COMPOUNDS, SELENIUM COMPOUNDS, STABLE ISOTOPES, SULFIDES, SULFUR COMPOUNDS, SYNTHESIS, TELLURIUM COMPOUNDS, WATER
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