Abstract
THE temperature coefficient of solubility is undoubtedly one of the components of the thermo-osmosis effect. However, Dr. S. Weller is in error when he says “the data can be quantitatively accounted for on this basis alone …” To do this it would have to be shown that the observed values of Q* are equal to the known values of the heats of solution. On the other hand, if thermal diffusion is an appreciable second component, this equality would not be obtained. The testing of these possibilities is the object of our experiments and has not yet been achieved on account of difficulties in measuring the surface temperatures.
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References
Eastman, J. Amer. Chem. Soc., 48, 1482 (1926).
Wirtz (Z. Naturforsch., 3 a, 380 (1948)) has reached similar conclusions from a kinetic argument.
Barrer and Skirrow, J. Polymer Sci., 3, 564 (1948).
van Amerongen, J. App. Phys., 17, 972 (1946).
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DENBIGH, K., RAUMANN, G. Thermo-osmosis of Gases Through a Membrane. Nature 165, 200 (1950). https://doi.org/10.1038/165200a0
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DOI: https://doi.org/10.1038/165200a0
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