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Preparation and Characterization of Basic Magnesium Chloride 5Mg(OH)(2)center dot MgCl2 center dot 3H(2)O
Pang Yu-Na1,2; Wu Zhi-Ming1,3; Zhou Yuan1; Wang Hong-Bin1,2
2010-05-01
Source PublicationCHINESE JOURNAL OF INORGANIC CHEMISTRY
Volume26Issue:5Pages:807-810
SubtypeArticle
AbstractBasic magnesium chloride with excellent crystal phase was prepared via hydrothermal synthesis using bischofite from salt lakes and ammonia. The product was obtained by two steps: (1) bischofite reacted with ammonia to form magnesium hydroxide; (2) the thus obtained magnesium hydroxide hydrothermally reacted with bischofite to form basic magnesium chloride, whose properties were characterized by chemical analysis, XRD, SEM and FTIR. The product has a composition of 5Mg(OH)(2)center dot MgCl2 center dot 3H(2)O as suggested by chemical analysis. The XRD pattern of the product can not match well with the standard PDF card, suggesting a new phase of 5Mg(OH)(2)center dot MgCl2 center dot 3H(2)O. The sample has a diameter of 0.4 mu m, a mean length above 24 mu m and an aspect ratio over 60 according to SEM analysis. FTIR. analysis identifies an absorption band of hydrogen bonds O-H stretching vibration at 3 419 cm(-1) and a free water H-O-H bending vibration absorption band at 1 635 cm(-1), respectively. The 5Mg(OH)(2)center dot MgCl2 center dot 3H(2)O prepared by this method features smaller diameter, better crystal phase and higher strength compared to those prepared under atmospheric pressure.
KeywordBasic Magnesium Chloride Bischofite Hydrothermal Synthesis
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordNANORODS
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear
WOS IDWOS:000278131400012
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5934
Collection青海盐湖研究所知识仓储
盐湖资源与化学实验室
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Qinghai Univ, Inst Chem Technol, Dept Appl Chem, Xining 810016, Peoples R China
Recommended Citation
GB/T 7714
Pang Yu-Na,Wu Zhi-Ming,Zhou Yuan,et al. Preparation and Characterization of Basic Magnesium Chloride 5Mg(OH)(2)center dot MgCl2 center dot 3H(2)O[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2010,26(5):807-810.
APA Pang Yu-Na,Wu Zhi-Ming,Zhou Yuan,&Wang Hong-Bin.(2010).Preparation and Characterization of Basic Magnesium Chloride 5Mg(OH)(2)center dot MgCl2 center dot 3H(2)O.CHINESE JOURNAL OF INORGANIC CHEMISTRY,26(5),807-810.
MLA Pang Yu-Na,et al."Preparation and Characterization of Basic Magnesium Chloride 5Mg(OH)(2)center dot MgCl2 center dot 3H(2)O".CHINESE JOURNAL OF INORGANIC CHEMISTRY 26.5(2010):807-810.
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