4.2 Article

Liquid-Liquid Equilibrium of Aqueous Two-Phase System Composed of Poly(Ethylene Oxide) 1500 and Sodium Nitrate

Journal

JOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume 64, Issue 3, Pages 1250-1255

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.jced.8b01138

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Funding

  1. Russian Science Foundation (RSF) [17-73-10486]
  2. Russian Science Foundation [17-73-10486] Funding Source: Russian Science Foundation

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Liquid-liquid equilibria of an aqueous two-phase system consisting of poly(ethylene oxide) 1500, sodium nitrate, and water at 293.15, 313.15, and 333.15 K were studied. Binodal data and a complete phase diagram with equilibrium liquid-phase compositions were obtained by using conductometry and refractometry techniques. The equilibrium data for aqueous two-phase systems were correlated using the UNIQUAC model, and new binary interaction parameters were calculated.

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