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Chemistry of borate in salt lake brine (XXXIV) - Phase diagram of thermodynamic nonequilibrium state of MgO-B2O3-18%MgCl2-H2O system at 20 degrees C
Gao, SY; Zhu, LX; Hao, ZX; Xia, SP
2002-10-01
Source PublicationSCIENCE IN CHINA SERIES B-CHEMISTRY
Volume45Issue:5Pages:541-550
SubtypeArticle
AbstractThe crystallization processes of hydrated Mg-borates, boric, magnesium hydroxide and Mg-oxychloride from MgO-B2O3-18%MgCl2-H2O supersaturated solution at 20degreesC have been studied by kinetic method. The crystallization solid phases were characterized by X-ray powder diffraction, IR spectra, thermal analysis and chemical analysis. The liquid-solid phase diagram of thermodynamic nonequilibrium state has been given. In this phase diagram, there exist eight crystallization fields, boric acid(H3BO3), trigomagneborite(MgO . 3B(2)O(3) . 7.5H(2)O, MgO . 3B(2)O(3) . 7H(2)O), hungchaoite(MgO . 2B(2)O(3) . 9H(2)O), inderite(2MgO . 3B(2)O(3) . 15H(2)O), chloropinnoite(2MgO . 2B(2)O(3) . MgCl2 . 14H(2)O), magnesium hydroxide(Mg(OH)(2)) and magnesium oxychloride (5Mg(OH)(2) . MgCl2 8H(2)O).
KeywordCrystallization Kinetic Thermodynamic Nonequilibrium Phase Diagram Mg-borate
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000178162500014
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6074
Collection青海盐湖研究所知识仓储
Affiliation1.Chinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
2.Shaanxi Normal Univ, Inst Appl Chem, Xian 710069, Peoples R China
Recommended Citation
GB/T 7714
Gao, SY,Zhu, LX,Hao, ZX,et al. Chemistry of borate in salt lake brine (XXXIV) - Phase diagram of thermodynamic nonequilibrium state of MgO-B2O3-18%MgCl2-H2O system at 20 degrees C[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2002,45(5):541-550.
APA Gao, SY,Zhu, LX,Hao, ZX,&Xia, SP.(2002).Chemistry of borate in salt lake brine (XXXIV) - Phase diagram of thermodynamic nonequilibrium state of MgO-B2O3-18%MgCl2-H2O system at 20 degrees C.SCIENCE IN CHINA SERIES B-CHEMISTRY,45(5),541-550.
MLA Gao, SY,et al."Chemistry of borate in salt lake brine (XXXIV) - Phase diagram of thermodynamic nonequilibrium state of MgO-B2O3-18%MgCl2-H2O system at 20 degrees C".SCIENCE IN CHINA SERIES B-CHEMISTRY 45.5(2002):541-550.
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