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Metastable Phase Equilibrium in the Aqueous Quaternary System (Li2SO4 + K2SO4 + MgSO4 + H2O) at 288.15 K
Deng, Tianlong1,2; Yu, Xue1; Sun, Bai1
2008-11-01
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷号53期号:11页码:2496-2500
文章类型Article
摘要The metastable solubilities and the physicochemical properties (density, viscosity, refractive index, conductivity, and pH) of the aqueous quaternary system (Li2SO4 + K2SO4 + MgSO4 + H2O) at 288.15 K were determined with the isothermal evaporation method. According to the experimental data, the dry-salt phase diagram, water-phase diagram, and the physicochemical properties vs composition diagram were plotted. It was found that there are three invariant points, seven univariant curves, and five metastable crystallization regions corresponding to lithium sulfate monohydrate (Li2SO4 center dot H2O), arcanite (K2SO4), epsomite (MgSO4 center dot 7H(2)O), double salt 1 (LiKSO4), and picromerite (K2SO4 center dot MgSO4 center dot 6H(2)O) formed in the metastable quaternary system. A comparison of the diagrams between the metastable equilibrium at 288.15 K and the stable equilibrium at 298.15 K shows that the metastable behavior of magnesium sulfate is obvious and the crystallizing regions of epsomite and arcanite are much larger than those in the stable phase diagram. The physicochemical properties of the quaternary system change gradually and regularly with the concentration of magnesium sulfate. No solid solution was found.
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]QUINARY SYSTEM ; MG2+//CL ; NA+ ; K+
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000260934800005
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5868
专题青海盐湖研究所知识仓储
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Chengdu Univ Technol, Coll Mat Chem & Chem Engn, Chengdu 610059, Peoples R China
推荐引用方式
GB/T 7714
Deng, Tianlong,Yu, Xue,Sun, Bai. Metastable Phase Equilibrium in the Aqueous Quaternary System (Li2SO4 + K2SO4 + MgSO4 + H2O) at 288.15 K[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2008,53(11):2496-2500.
APA Deng, Tianlong,Yu, Xue,&Sun, Bai.(2008).Metastable Phase Equilibrium in the Aqueous Quaternary System (Li2SO4 + K2SO4 + MgSO4 + H2O) at 288.15 K.JOURNAL OF CHEMICAL AND ENGINEERING DATA,53(11),2496-2500.
MLA Deng, Tianlong,et al."Metastable Phase Equilibrium in the Aqueous Quaternary System (Li2SO4 + K2SO4 + MgSO4 + H2O) at 288.15 K".JOURNAL OF CHEMICAL AND ENGINEERING DATA 53.11(2008):2496-2500.
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