Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 131, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3182806
Keywords
liquid mixtures; organic compounds; thermal diffusion; water
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The Soret coefficient of acetone/water mixtures has been experimentally determined by a recently developed thermal lens technique [Appl. Phys. Lett. 94, 051103 (2009)]. The behavior of the Soret coefficient was reproduced, including its sign change with composition. For concentrations around the equimolar ones, we have also confirmed the disagreement between the experimental and simulation data that had previously been reported by Ning and Wiegand [J. Chem. Phys. 125, 221102 (2006)] using a transient holographic grating technique of thermal diffusion forced Rayleigh scattering. Additionally, we compare our experimental results with the theoretical values predicted by a recently developed viscous energy model [J. Chem. Phys. 130, 064506 (2009)].
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