eprintid: 459
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/04/59
datestamp: 2023-11-09 15:16:06
lastmod: 2023-11-09 15:16:06
status_changed: 2023-11-09 15:14:36
type: article
metadata_visibility: show
creators_name: Amaresh, S.P.
creators_name: Murugesan, S.
creators_name: Regupathi, I.
creators_name: Murugesan, T.
title: Liquid-liquid equilibrium of poly(ethylene glycol) 4000 + diammonium hydrogen phosphate + water at different temperatures
ispublished: pub
keywords: Difference equations; Ethylene; Ethylene glycol; Glycols; Hydrogen; Liquid phase epitaxy; Nonmetals; Phase equilibria; Ternary systems, Aqueous two-phase system; Bancroft equations; Binodal curves; Di-ammonium hydrogen phosphate; Empirical equations; Excluded volume; Liquid-liquid equilibrium; Othmer-Tobias; Poly 6000; Salting-out ability; Tie line compositions; Water systems, Polyethylene glycols
note: cited By 38
abstract: Liquid-liquid equilibrium for an aqueous two-phase system containing poly(ethylene glycol) 4000 + diammonium hydrogen phosphate + water was studied at four different temperatures of (25, 30, 35, and 45)°C. The binodal curve was fitted to three different empirical equations relating the concentrations of PEG 4000 and diammonium hydrogen phosphate, and the coefficients were estimated for the respective temperatures for all three equations. The effective excluded volume values were obtained from the binodal model for the present system, and salting-out ability of the salt was discussed. Tie line compositions were correlated using the Othmer-Tobias and Bancroft equations, and the parameters are also reported. Further, the experimental binodal data of the poly(ethylene glycol) 4000 + diammonium hydrogen phosphate + water system were compared to poly(ethylene glycol) 6000 + diammonium hydrogen phosphate + water for (25, 35, and 45)°C. © 2008 American Chemical Society.
date: 2008
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-51949095562&doi=10.1021%2fje800118c&partnerID=40&md5=cb694a6f18c0e2d1b55121e6d9296bac
id_number: 10.1021/je800118c
full_text_status: none
publication: Journal of Chemical and Engineering Data
volume: 53
number: 7
pagerange: 1574-1578
refereed: TRUE
issn: 00219568
citation:   Amaresh, S.P. and Murugesan, S. and Regupathi, I. and Murugesan, T.  (2008) Liquid-liquid equilibrium of poly(ethylene glycol) 4000 + diammonium hydrogen phosphate + water at different temperatures.  Journal of Chemical and Engineering Data, 53 (7).  pp. 1574-1578.  ISSN 00219568