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Citation:
Xiao Gang ZHANG, Hai Fei ZHANG, Bu Xing HAN, Bao Ke ZHANG, Qing HUO. Effect of Molecular Size of Solutes on Their Partial Molar Volumes in Supercritical n-Pentane[J]. Chinese Chemical Letters,
;2001, 12(1): 81-82.
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The densities of n-pentane, methane-n-pentane, propane-n-pentane, n-heptane-n-pentane, and n-decane-n-pentane binary mixtures were determined at 476.5K in the pressure range from 2 to 5 MPa. The partial molar volumes of the solutes in n-pentane were calculated using the density data. It was found that the partial molar volumes of methane and propane are positive. while those of n-heptane and n-decane are negative.
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Keywords:
- Density,
- supercritical fluid,
- partial molar volume.
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