Liquid-liquid equilibrium of the Ucon 50-HB5100/sodium citrate aqueous two-phase systems

Gisela Tubio; Bibiana B. Nerli; Guillermo A. Pico

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Liquid-liquid equilibrium of the Ucon 50-HB5100/sodium citrate aqueous two-phase systems

机译：Ucon 50-HB5100 /柠檬酸钠水两相系统的液-液平衡

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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.

机译：在5、20和40°C下确定Ucon 50-HB5100 /柠檬酸钠水两相系统的相图。测定了两种中等pH 5.20和8.20。使用四参数S形方程令人满意地描述了双曲线曲线。通过增加pH和温度来扩大两相区域。通过Othmer-Tobias和Bancroft给出的相关方程确定了测得的联络线成分的可靠性。

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《Separation and Purification Technology》 |2009年第1期|共6页
作者
Gisela Tubio; Bibiana B. Nerli; Guillermo A. Pico;
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正文语种 eng
中图分类分离过程;
关键词
Aqueous two-phase systems; Thermo-separating polymer; Binodal diagrams;

机译：水两相系统;热分离聚合物;双曲线图;

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1. Liquid-liquid equilibrium of the Ucon 50-HB5100/sodium citrate aqueous two-phase systems [J] . Gisela Tubio, Bibiana B. Nerli, Guillermo A. Pico Separation and Purification Technology . 2009,第1期

机译：Ucon 50-HB5100 /柠檬酸钠水两相系统的液-液平衡
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4. Liquid-Liquid Equilibria for Acetone + Several Citrates Aqueous Two-phase Systems at Different Temperatures [C] . Shiping Hu, Juan Han, Yongsheng Yan, International Symposium on Chemical Engineering and Material Properties . 2012

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5. The design of two-phase liquid-liquid separation systems [D] . Minotti, Michael 1998

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8. Thermal Effects in Sodium Oxide-Sodium Hydrooxide-Sodium Systems and Temperature Dependence of Chemical Equilibrium in a Hydrogen-Oxygen-Sodium System [R] . Privalov, Y. V. 1982

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Liquid-liquid equilibrium of the Ucon 50-HB5100/sodium citrate aqueous two-phase systems

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