A Modified Vapor Saturation Method for Preparing Aqueous Solutions of Solid Aromatic Hydrocarbons
- 1 September 1989
- journal article
- research article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 62 (9) , 2908-2912
- https://doi.org/10.1246/bcsj.62.2908
Abstract
An excess quantity of a solid hydrocarbon is dispersed in water, and then air is bubbled through the aqueous phase to produce the solute vapor. The vapor is introduced into a separate water phase and circulated in a closed system. Aqueous solutions saturated with some solid aromatic hydrocarbons can be prepared in a relatively short time without any need to remove solute microcrystals. It can be confirmed whether the solubility obeys Henry’s law. The present method provides us with rough enthalpy of sublimation of a solute if its solubility follows Henry’s law. Biphenyl, naphthalene, phenanthrene, and anthracene were examined as solutes.Keywords
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