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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Madeira, Pp
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Topics
Publications (6/6 displayed)
- 2013Analysis of amino acid-water interactions by partitioning in aqueous two-phase systems. I-Amino acids with non-polar side-chainscitations
- 2008Correlations between distribution coefficients of various biomolecules in different polymer/polymer aqueous two-phase systemscitations
- 2008"On the Collander equation": Protein partitioning in polymer/polymer aqueous two-phase systemscitations
- 2008Delta G(CH2) as solvent descriptor in polymer/polymer aqueous two-phase systemscitations
- 2008Delta G(CH2) in PEG-salt and Ucon-salt aqueous two-phase systemscitations
- 2004Representation of liquid-liquid equilibria for polymer-salt aqueous two-phase systemscitations
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article
Representation of liquid-liquid equilibria for polymer-salt aqueous two-phase systems
Abstract
In this work the modified Wilson equation, proposed in a previous publication, for aqueous binary polymer solutions is extended to calculate liquid-liquid equilibrium of aqueous two-phase systems containing one salt with either polyethylene glycol or ethylene oxide-propylene oxide random copolymer. The Debye-Huckel equation based on the Fowler-Guggenheim theory is used to represent the long-range electrostatic interactions of ions. The parameters are estimated from only one or two tie-lines and are used to predict the phase diagrams with different molecular weights and polymer-salt systems at different temperatures. The predictions obtained with the modified Wilson equation are in good agreement with the experimental data.