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化学工业与工程
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��ѧ��ҵ�빤�� 2010, Vol. 27 Issue (2) :128-131    DOI:
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Preparation of Magnesium Borate (Mg_2B_2O_5) Whisker Using Bitter Brine
ZHANG Yi,WANG Li-cong,WANG Yu-qi,ZHANG Yu-shan,HUANG Xi-ping (Institute of Tianjin Seawater Desalination and Multipurpose Utilization,State Oceanic Administration,Tianjin 300192,China)
(Institute of Tianjin Seawater Desalination and Multipurpose Utilization,State Oceanic Administration,Tianjin 300192,China
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Abstract�� Magnesium borate(Mg_2B_2O_5) whisker was successfully synthesized via high temperature flux method using bitter brine,boric acid and sodium hydroxide as raw materials.Influences of decoloring of bitter brine,ratio of magnesium to boron,nucleation method on composition and morphology of magnesium borate whisker were investigated.The results showed that the removal rate of chroma increased with the volume of sodium hypochlorite from 0.2 to 1.0 mL when volume of bitter brine was fixed.Mg_2B_2O_5 was gained when the ratios of magnesium to boron were 0.50 and 0.67.Compared with seeded method,spontaneous nucleation method made the whisker short and slim.In practice,it is possible to prepare whisker according to the needed size.
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Received 2010-03-15; published 2010-03-15
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���;������;������;����ɽ;����ƽ;.��±�Ʊ�����þ(Mg_2B_2O_5)������о�[J].  ��ѧ��ҵ�빤��, 2010,27(2): 128-131
ZHANG Yi,WANG Li-cong,WANG Yu-qi,ZHANG Yu-shan,HUANG Xi-ping .Preparation of Magnesium Borate (Mg_2B_2O_5) Whisker Using Bitter Brine[J].  Chemcial Industry and Engineering, 2010,27(2): 128-131
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