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dc.contributor.authorRegupathi, I.-
dc.contributor.authorMurugesan, S.-
dc.contributor.authorAmaresh, S.P.-
dc.contributor.authorGovindarajan, R.-
dc.contributor.authorThanabalan, M.-
dc.identifier.citationJournal of Chemical and Engineering Data, 2009, Vol.54, 3, pp.1100-1106en_US
dc.description.abstractThe densities and viscosities of binary and ternary solutions of the poly(ethylene glycol) 4000 (PEG4000) + diammonium hydrogen phosphate + water system were determined at different temperatures [(298.15, 303.15, 308.15, 313.15, and 318.15) K]. The measured density and viscosity data of all the binary and ternary systems were fitted to available empirical correlations, for the corresponding temperatures. The density data show a linear variation with mass fraction of the polymer for all temperatures. The viscosity data of all the solutions were correlated as a function of their mass fraction, using a nonlinear equation, for the five different temperatures covered in the present work. Densities and viscosities of PEG4000 - diammonium hydrogen phosphate two-phase systems have been measured at (298.15, 303.15, 308.15, 313.15, and 318.15) K. The tie line lengths (TLL) of the aqueous two-phase systems have also been estimated, and the effect of the physical properties on the TLL is also reported. 2009 American Chemical Society.en_US
dc.titleDensities and viscosities of poly(ethylene glycol) 4000 + diammonium hydrogen phosphate + water systemsen_US
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