Inverse gas chromatography (IGC) has been shown by previous efforts to
be an efficient and reliable method of obtaining the solubility and d
iffusion coefficients of solvents in polymers when the solvents are in
finitely dilute. We have extended the IGC method to finite concentrati
ons and to multicomponent systems. The experimental procedures have be
en improved to provide data more efficiently without loss of accuracy.
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