Solubility correlations. Part 1. Simultaneous fitting of both solute and solvent properties

A method is described for estimating solubility by fitting both solute and solvent properties in a single equation. The method is illustrated by examining the solubilities of five rare gases (He, Ne, Ar, Kr, Xe) and five 'permanent' gases (O(2), N(2), CH(4), CF(4), SF(6)) in either n-alkan...

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Bibliographic Details
Published in:Chemistry & biodiversity 2007-11, Vol.4 (11), p.2547-2554
Main Authors: Battino, Rubin, Seybold, Paul G
Format: Article
Language:English
Subjects:
Chemistry, Physical - methods
Gases - chemistry
Models, Theoretical
Solubility
Solutions - chemistry
Solvents - chemistry
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Summary:A method is described for estimating solubility by fitting both solute and solvent properties in a single equation. The method is illustrated by examining the solubilities of five rare gases (He, Ne, Ar, Kr, Xe) and five 'permanent' gases (O(2), N(2), CH(4), CF(4), SF(6)) in either n-alkane (C(5)H(12) to C(16)H(34)) or alkan-1-ol (CH(3)OH to C(11)H(23)OH) solvents. Generally, the correlation (R(2)) values of the fits achieved were significantly better than 0.9. It is suggested that similar methods can be used for estimating other physico-chemical properties such as excess molar volumes and enthalpies of solution.
ISSN:1612-1872
1612-1880
DOI:10.1002/cbdv.200790208