| Li2SO4-MgSO4及LiNO3-Mg(NO3)2熔盐体系的研究 |
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| 引用本文： | 张启运,卢敬智,孙树人.Li2SO4-MgSO4及LiNO3-Mg(NO3)2熔盐体系的研究[J].高等学校化学学报,1983,4(2):163. |
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| 作者姓名： | 张启运 卢敬智 孙树人 |
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| 作者单位： | 北京大学化学系 |
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| 摘 要： | 用目测变温法和差热分析法研究了Li2SO4-MgSO4、LiNO3-Mg(NO3)2熔盐体系。在前一体系中有固液异组成化合物Li2SO4·2MgSO4生成,它在832°熔化分解。化合物与Li2SO4间形成低共熔点,温度为647℃,组成含MgSO423.6Wt%。Li2SO4多晶转变点575℃,在加入MgSO4后形成类低共熔点,温度552℃,组成含MgSO44.2%。LiNO3-Mg(NO3)2为一简单低共熔体系,共晶点含Mg(NO3)247.3%,温度200℃。
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| 收稿时间： | 1981-08-06 |
A STUDY ON THE BINARY SALTS SYSTEMS Li2SO4-MgSO4 AND LiNO3-Mg(NO3)2 |
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| Zhang Qiyun,Lu Jingzhi,Sun Shuren.A STUDY ON THE BINARY SALTS SYSTEMS Li2SO4-MgSO4 AND LiNO3-Mg(NO3)2[J].Chemical Research In Chinese Universities,1983,4(2):163. |
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| Authors: | Zhang Qiyun Lu Jingzhi Sun Shuren |
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| Institution: | Department of Chemistry, Beijing University, Beijing |
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| Abstract: | Astudy has been made of the binary salts systems Li2SO4-MgSO4 and LiNO3-Mg(NO3)2 by the visual polythermal and DTA methods. An incon-gruently melting compound Li2SO4·2MgSO4 occurring at 832℃ was found in the Li2SO4-MgSO4 system. The eutectic point between Li3SO4 and Li2SO4·2MgSO4 occurring at 647℃ lies in the composition of 23.6 Wt% MgSO4. The values of eutectoid are 4.2% MgSO4 and at 552℃. The system LiNO3-Mg(NO3)2 is of a simple eutectic type, the eutectic point occurring at 200℃ contains 47.3% Mg(NO3)2. No solid solution existed on the both sides of LiNO3 and Mg(NO3)2. |
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