Liquid-liquid equilibrium of aqueous mixtures of poly(propylene glycol) with sodium chloride

Phase separation in aqueous solutions of polypropylene glycol and sodium citrate: Effects of temperature and pH

“…The salt content was subsequently determined by mass balance, considering the proportion in which tri-sodium citrate and citric acid were added to the system. Following Cheluget et al [11], the concentration of polymer in each phase was also determined by refractive index measurements performed at 298.15 K using a refractometer (Model: DR-A1, ATAGO Co., LTD., Japan) with a precision of ± 0.0001. The uncertainties in refractive index measurements are within ±0.0001.…”

“…Other poly (alkylene glycol)s such as PPGs as close relatives of PEGs, sharing several of their benign properties may also been taking into account as phase polymer in ABS for green separations. However, liquid-liquid equilibrium (LLE) data of the aqueous PPG-polymer and PPG-salt systems are relatively scarce [11][12][13][14][15][16].…”

Aqueous two-phase systems of poly(vinylpyrrolidone) and potassium citrate at different temperatures—Experimental results and modeling of liquid–liquid equilibrium data

“…The experimental apparatus employed is essentially similar to the one used previously [6,10,23]. A glass vessel, volume 50 cm 3 , was used to carry out the phase equilibrium determinations.…”

Aqueous two phase partitioning of fish proteins: partitioning studies and ATPS evaluation

“…9). Further, the experimental binodal data were fitted by modifying the constants and coefficients of the expressions available in the literature equations (Cheluget et al 1994;Zafarani-Moattar and Hamidi 2003;Regupathi et al 2011).…”