Contributions of additional group interaction parameters through limiting activity coefficient measurements on aliphatic alcohols, aromatic hydrocarbons, ketones and an ester in tetrahydroxyethylethylenediamine and tetraethylene pentamine

Gas chromatographic method has been used to measure the limiting activity c oefficient of some aliphatic alcohols (ethanol, 1-propanol, 1-butanol and 1 -pentanol), aromatic hydrocarbons (benzene, toluene, ethylbenzene, o-xylene and p-xylene), ketones (acetone and methylisobutylketone), ethylacetate an d chlorobenzene in tetrahydroxyethylethylenediamine (THEEDA) and tetraethyl pentamine (TEPA). The measurements involving THEEDA have been used to deriv e UNIFAC group interaction parameters for seven new pairs, while ten pairs of new group interaction parameters have been derived from the measurements on TEPA. (C) 1999 Elsevier Science S.A. All rights reserved.