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The kinetics of dissolution and phase transformation of 2MgO center dot 2B(2)O(3) center dot MgCl2 center dot 14H(2)O in water at 87 degrees C
Li, XP; Liu, ZH; Gao, SY; Hu, MC; Xia, SP
2003-02-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
Volume19Issue:2Pages:181-184
SubtypeArticle
AbstractThe kinetics of dissolution and phase transformation of 2MgO . 2B(2)O(3) . MgCl2 . 14H(2)O in water at 87 degreesC were studied. The results of liquid phases anlysized at a given time intervals and solid phases identified by IR and XRD show that 2MgO . 2B(2)O(3) . MgCl2 . 14H(2)O dissolved incongruently in water and the process was not the same at low temperature, a new crystal midproduct(MgO . B2O3 . 4H(2)O) was formed, the final solid phase was pinnoite(MgO . B2O3 . 3H(2)O). With the aid of Simplex Optimum Method and Runge-Kutta Digital Solution of differential equation system, the experimental data was fitted. The kinetic equation of the crystallization reaction was given and a mechanism of crystallization reaction was proposed.
KeywordChloropinnoite(2mgo Center Dot 2b(2)o(3) Center Dot Mgcl2 Center Dot 14h(2)o) Hydrated Borate Dissolution Kinetics Phase Transformation Reaction Mechanism
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000181098000020
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6098
Collection青海盐湖研究所知识仓储
Affiliation1.Shaanxi Normal Univ, Coll Chem & Mat Sci, Xian 710062, Peoples R China
2.Chinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
Recommended Citation
GB/T 7714
Li, XP,Liu, ZH,Gao, SY,et al. The kinetics of dissolution and phase transformation of 2MgO center dot 2B(2)O(3) center dot MgCl2 center dot 14H(2)O in water at 87 degrees C[J]. ACTA PHYSICO-CHIMICA SINICA,2003,19(2):181-184.
APA Li, XP,Liu, ZH,Gao, SY,Hu, MC,&Xia, SP.(2003).The kinetics of dissolution and phase transformation of 2MgO center dot 2B(2)O(3) center dot MgCl2 center dot 14H(2)O in water at 87 degrees C.ACTA PHYSICO-CHIMICA SINICA,19(2),181-184.
MLA Li, XP,et al."The kinetics of dissolution and phase transformation of 2MgO center dot 2B(2)O(3) center dot MgCl2 center dot 14H(2)O in water at 87 degrees C".ACTA PHYSICO-CHIMICA SINICA 19.2(2003):181-184.
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