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Crystallization kinetics of Mg-borates from MgO center dot 3B(2)O(3)-18%MgSO4-H2O supersaturated solution
Ma, YT; Xia, SP; Gao, SY
2001-11-01
发表期刊ACTA PHYSICO-CHIMICA SINICA
卷号17期号:11页码:1021-1026
文章类型Article
摘要The supersaturated solution of MgO . 3B(2)O(3)-18% MgSO4-H2O was prepared and kept in a thermostat of (20 +/- 0.1) degreesC. The crystallization processes of Mg-borates from the solution have been studied by the kinetic method. With the aid of simplex optinum method and digital integration as well as runge-kutta digital solution of differential equation system, the experimental data have been fitted and the kinetic parameters have been evaluated by computer. The crystallization kinetic equation has been given. There are two solid phases, Macallisterite (MgO . 3B(2)O(3) . 7.5H(2)O) was firstly crystallized out from the solution and then hungchaoite (MgO . 2B(2)O(3) . 9H(2)O). The solid phases were identified by IR-spectra, X-ray powder diffraction and TG-DSC thermal analysis.
关键词Borate Supersaturated Solution Crystallization Kinetics Macallisterite Hungchaoite
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]SALT LAKE BRINE ; CHEMISTRY
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Physical
WOS记录号WOS:000172252600012
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6042
专题青海盐湖研究所知识仓储
作者单位1.Chinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
2.Shaanxi Normal Univ, Inst Appl Chem, Xian 710062, Peoples R China
3.Qinghai Univ, Coll Chem Engn, Xining 810016, Peoples R China
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GB/T 7714
Ma, YT,Xia, SP,Gao, SY. Crystallization kinetics of Mg-borates from MgO center dot 3B(2)O(3)-18%MgSO4-H2O supersaturated solution[J]. ACTA PHYSICO-CHIMICA SINICA,2001,17(11):1021-1026.
APA Ma, YT,Xia, SP,&Gao, SY.(2001).Crystallization kinetics of Mg-borates from MgO center dot 3B(2)O(3)-18%MgSO4-H2O supersaturated solution.ACTA PHYSICO-CHIMICA SINICA,17(11),1021-1026.
MLA Ma, YT,et al."Crystallization kinetics of Mg-borates from MgO center dot 3B(2)O(3)-18%MgSO4-H2O supersaturated solution".ACTA PHYSICO-CHIMICA SINICA 17.11(2001):1021-1026.
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