Fractionnement isotopique lors des changements d‘état solide-vapeur et liquide-vapeur de l'eau à des températures inférieures à 0°C
作者： L. Merlivat , G. Nief
DOI: 10.1111/J.2153-3490.1967.TB01465.X
关键词: Chemistry 、 Isotopic composition 、 Hydrogen 、 Fractionation 、 Phase equilibrium 、 Analytical chemistry 、 Hydrology 、 Deuterium
摘要: Measurements of the hydrogen isotopic composition water in atmospheric precipitations make possible study their formation and evolution, since deuterium is a natural tracer for molecule. In hydrologic cycle, each change state accompanied by an fractionation expressed terms factor ?, which function temperature. This due to differences physical properties molecules H 2 O HDO. work described this paper we have measured ? between ?40°C 0°C phase equilibrium ice-water vapor ?15°C liquid-water vapor. The values obtained may be relations log ?solide-vapeur= ?4.10 · 10 ?2 + 7.074/ T ?liquide-vapeur= 4.34 6.520/ . DOI: 10.1111/j.2153-3490.1967.tb01465.x
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