Solubilities,Densities,Refractive Indices of Aqueous Ternary Systems PEG400-NaCl/KCl-H<sub>2</sub>O at 298 K

YU Xu-dong; LI Mao-lan; WANG Lin; HUANG Qin; ZHENG Hong; ZHENG Qiu-feng; LIU Min; ZENG Ying

Solubilities,Densities,Refractive Indices of Aqueous Ternary Systems PEG400-NaCl/KCl-H₂O at 298 K

投稿时间：2019-03-27 修订日期：2019-04-10

DOI：10.12119/j.yhyj.201902003

中文关键词:

英文关键词:Solubility NaCl KCl PEG400 Phase Equilibria

基金项目:

作者	单位
YU Xu-dong	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China Collaborative Innovation Center of Panxi Strategic Mineral Resources Multi-Purpose Utilization Chengdu University of Technology,Chengdu,610059,China Institute of Mineral Resources,Chinese Academy of Geological Sciences,Beijing,100037,China
LI Mao-lan	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China
WANG Lin	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China
HUANG Qin	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China
ZHENG Hong	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China
ZHENG Qiu-feng	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China
LIU Min	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China
ZENG Ying	College of Materials and Chemistry & Chemical Engineering,Chengdu University of Technology,Chengdu,610059,China

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中文摘要:

英文摘要:

Phase equilibria for the NaCl/KCl-PEG400-H₂O aqueous ternary systems at 298 K were studied using an isothermal dissolution method.In addition,the densities and refractive indices were determined.The corresponding phase diagrams,as well as the density vs.composition and refractive index vs.composition diagrams,were plotted.Results revealed that over the entire PEG400 composition range studied at 298 K only 1 liquid phase was obtained,without the formation of a biphase region.The phase diagrams of these 2 systems consist of 1 homogeneous area with unsaturated liquid(L) and an equilibrium area containing the solid phase of NaCl/KCl and the saturated liquid phase(S+L).The solubility of NaCl/KCl decreases with the addition of PEG400 at 298 K.

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