Measurement of the Diffusion Coefficients of Sparingly Soluble Gases in Water. Jähne, B., Heinz, G., & Dietrich, W. Journal of Geophysical Research-Oceans, 92(C10):10767-10776, 1987.
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The diffusion coefficients D of important gas tracers dissolved in water and seawater were measured with a modified Barrer method. The measurements include the gases He, Ne, Kr, Xe, H2, CH4, and CO2 dissolved in distilled water in the temperature range from 5 to 35°C, and He and H2 dissolved in seawater in the same temperature range. The maximum systematic error is estimated to be well below 5%. The isotopic fractionation in the diffusion coefficient, ∈ D , was determined to be (−0.87 ± 0.05)‰ for 13CO2/12CO2 and (15 ± 3)% for 3He/4He.

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