| 盐卤硼酸盐化学 II:从含硼浓缩氯化镁卤水中析出的六硼酸镁MgO·3B2O3·71/2H2O |
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| 引用本文： | 高世扬,赵金福,薛方山,符挺进.盐卤硼酸盐化学 II:从含硼浓缩氯化镁卤水中析出的六硼酸镁MgO·3B2O3·71/2H2O[J].化学学报,1983,41(3):217-221. |
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| 作者姓名： | 高世扬 赵金福 薛方山 符挺进 |
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| 作者单位： | 中国科学院青海盐湖研究所 |
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| 摘 要： |
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| 关 键 词： | 硼酸盐P 氯化镁 镁化合物 方硼石 冷冻浓缩 蒸发浓缩 |
The chemistry of borate in salt lake brine II: Hydrated Mg-borate crystallizing out from concentrated magnesium chloride brine |
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| GAO SHIYANG,ZHAO JINFU,XUE FANGSHAN,FU TINGJIN.The chemistry of borate in salt lake brine II: Hydrated Mg-borate crystallizing out from concentrated magnesium chloride brine[J].Acta Chimica Sinica,1983,41(3):217-221. |
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| Authors: | GAO SHIYANG ZHAO JINFU XUE FANGSHAN FU TINGJIN |
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| Abstract: | The concentrated boron-containing brine was cooled in steps with stirring to 0`C, -10`C and -20`C, with intervals of 8 hours to one week between each. The salts crystallized out at each temperature were removed accordingly. The final clear solution was then kept for a long time at room temperature and -20`C respectively. Hydrated Mg-borates crystallized out from these solutions. They have been analysed by chemical analysis, thermal analysis, X-ray and infrared analysis, and these analytical results show that the hydrated Mg-borates crystallized out from the said brine at room temperature and at -20`C are identical, being MgO.3B2O3.7 1/2 H2O. |
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| Keywords: | BORATES P MAGNESIUM CHLORIDE MAGNESIUM COMPOUNDS BORACITE FREEZING CONCENTRATION EVAPORATING CONCENTRATION |
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