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TitleLiquid–liquid equilibrium of the Ucon 50-HB5100/sodium citrate aqueous two-phase systems
Author(s)Tubio, Gisela
Nerli, Bibiana B.
Picó, Guillermo A.
Venâncio, Armando
Teixeira, J. A.
KeywordsAqueous two-phase systems
Thermo-separating polymer
Binodal diagrams
Issue dateFeb-2009
JournalSeparation and Purification Technology
Citation"Separation and Purification Technology". 65:1 (Febr. 2009) ISSN 1383-5866. 3-8.
Abstract(s)The phase diagrams of Ucon 50-HB5100/sodium citrate aqueous two-phase systems were determined at 5, 20 and 40 ◦C. Two medium pHs 5.20 and 8.20 were assayed. The binodal curves were satisfactorily described using a four-parameter sigmoidal equation. The two-phase area was expanded by increasing both pH and temperature. The reliability of the measured tie line compositions was ascertained by correlation equations given by Othmer–Tobias and Bancroft.
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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