| 四元交互体系Li+, Mg2+/SO42-, B4O72-—H2O25℃溶解度和溶液物化性质的研究 |
| SOLUBILITIES AND PROPERTIES OF SOLUTION IN THE RECIPROCAL SYSTEM Li+, Mg2+/B4O2-7, SO2-4-H2O AT25℃ |
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| 摘要: 研究了Li+,Mg2+/SO42-,B4O72-—H2O四元交互体系25℃时的溶解度和溶液的密度及折光率.四种原始组份未发生脱水作用,体系中也没有复盐或固溶体形成.体系25℃溶解度等温线由五段组成,有四个结晶区,分别对应于四种原始组份,其中以MgB4O7·9H2O的结晶区最大.溶解度等温线上有两个零变量点,其一为MgB4O7·9H2O,MgSO4·7H2O,Li2SO4·H2O三盐共饱点,另一为MgB4O7·9H2O,Li2B4O7·3H2O,Li2SO4·H2O三盐不相称共饱点. |
| 关键词: 四硼酸镁 章氏硼镁石的溶解度 |
| 基金项目: 中国科学院科学基金资助课题 |
| Abstract: Solubilities and properties(density, refractive index)of solution were studied in the reciprocal system Li+,Mg2+/B4O72-,SO42--H2O at 25℃. No double salt is found and dehydration of cither of the original components docs not occur in the system. The solubility isotherm of the system consists of five branches and has four crystallization areas, corresponding to the four original salts, the largest of which belongs to MgB4O7·9H2O. The system has two invariant points, one is the cutonic point of MgB4O7·9H2O+MgSO4·7H2O+Li2SO4·H2O and the other is the incongrucnt cutonic point of MgB4O7·9H2O+Li2B4O7·3H2O+Li2SO4·H2O. |
| Keywords: magnesium tetraborate solubility of llungtsaoite |
| 投稿时间：1989-03-13 |
| 摘要点击次数: 1611 |
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| 宋彭生,付宏安.四元交互体系Li+, Mg2+/SO42-, B4O72-—H2O25℃溶解度和溶液物化性质的研究[J].无机化学学报,1991,7(3):344-348. |
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