List of Articles Liquid-liquid equilibrium Open Access Article Abstract Page Full-Text 1 - The effect of polymer molar mass on the aqueous two-phase system containing Poly ethylene glycol dimethyl ether and ammonium sulphate and its application of this system in partitioning of iodine Mohammed Taghi Zafarani–Moattar Hemayat Shekaari Tohid Hashemzadeh