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Title: Liquid-liquid equilibrium of poly(ethylene glycol) 6000 + triammonium citrate + water systems at different temperatures
Authors: Regupathi, I.
Murugesan, S.
Govindarajan, R.
Amaresh, S.P.
Thanapalan, M.
Issue Date: 2009
Citation: Journal of Chemical and Engineering Data, 2009, Vol.54, 3, pp.1094-1097
Abstract: Liquid - liquid equilibrium for an aqueous two-phase system containing poly(ethylene glycol) 6000 + triammonium citrate + water was studied at five different temperatures, (25, 30, 35, 40, and 45) C. The binodal curve was fitted to an empirical equation relating the concentrations of PEG 6000 and triammonium citrate, and the coefficients were estimated for the respective temperatures. The effective excluded volume values were obtained from the binodal data. Tie line compositions were estimated and correlated using Othmer - Tobias and Bancroft equations, and the parameters are reported. 2009 American Chemical Society.
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