Issue 0, 1980

Infinite dilution liquid—gas partition coefficients of some volatile solutes with binary solvents exhibiting upper consolute temperatures

Abstract

Measurements of liquid—gas infinite dilution partition coefficients (KR) for furan, methyl formate and diethyl ether, as a function of volume fraction, in each of the mixtures (i) ethyl benzoate + propylene glycol and (ii) tributyl phosphate + ethylene glycol, are reported. Both solvent mixtures exhibit consolute behaviour, with upper consolute temperatures in the range 40–55 °C. It is shown that KR, for all six ternary systems, varies according to the equation KRK°Rϕ where K°R is the partition coefficient for a pure liquid and ϕ is its volume fraction in the mixture. The continuity of behaviour observed on passing through the sequence single-phase—two-phase—single-phase is shown to be consistent with behaviour previously reported upon for many single-phase g.l.c. solvent mixtures and with a solution model based on microscopic immiscibility of these solvents. The generality of the foregoing equation is thus considerably extended.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans. 1, 1980,76, 362-367

Infinite dilution liquid—gas partition coefficients of some volatile solutes with binary solvents exhibiting upper consolute temperatures

R. J. Laub, J. H. Purnell and D. M. Summers, J. Chem. Soc., Faraday Trans. 1, 1980, 76, 362 DOI: 10.1039/F19807600362

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Spotlight

Advertisements