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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

D/H and 18O/16O fractionation factors between vapor and liquid water

Gy. Jakli, W. Alexander Van Hook
Geochemical Journal, Vol. 15, No. 1, P. 47-50, 1981


Analysis of the data of KAKIUCHI and MATASUO (1979) and other work on H/D fractionation factors for water(liq)↔water(vapor) verifies earlier observations of the ratio, lnRDOD/lnRHOD = γ = 1.91 ± 0.02, (lnRDOD = ln(PHOH/PDOD), lnRHOD = ln(PHOH/PHOD)). Analysis of KM's data on 18O/ 16O fractionation according to the method of JANCSO and VAN HOOK (1978a) shows good agreement between fractionation factors and measurements of vapor pressures of separated isotopes. A significant volume dependence for the high frequency OH stetching motions in water is verified.

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