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题名: Investigation of thermal decomposition of MgCl2 hexammoniate andMgCl(2)biglycollate biammoniate by DTA-TG, XRD and chemical analysis
作者: Long, GM ;  Ma, PH ;  Wu, ZM ;  Li, MZ ;  Chu, MX
刊名: THERMOCHIMICA ACTA
出版日期: 2004
卷号: 412, 期号:1-2, 页码:149-153
英文摘要: The decomposition Of MgCl2.6NH3 and MgCl2.2C(2)H(6)O(2).2NH(3) in static air was investigated by DTA-TG, XRD and chemical analysis from room temperature to 700degreesC. The results indicated that MgCl2.6NH(3) took three steps to decompose to anhydrous MgCl2 below 450degreesC and at higher temperatures resulted in the oxidation of anhydrous MgCl2. This theoretically confirms the validity of the operation in which Ar or N-2 is used in manufacturing anhydrous MgCl2 at 650degreesC. MgO2.2C(2)H(6)O(2).2NH(3) experienced a complicated process of decomposition, Mg(OH)Cl and carbon were obtained at 300degreesC and MgO at 530degreesC, respectively, which may decrease the quality of anhydrous MgCl2. (C) 2003 Elsevier B.V. All rights reserved. The decomposition Of MgCl2.6NH3 and MgCl2.2C(2)H(6)O(2).2NH(3) in static air was investigated by DTA-TG, XRD and chemical analysis from room temperature to 700degreesC. The results indicated that MgCl2.6NH(3) took three steps to decompose to anhydrous MgCl2 below 450degreesC and at higher temperatures resulted in the oxidation of anhydrous MgCl2. This theoretically confirms the validity of the operation in which Ar or N-2 is used in manufacturing anhydrous MgCl2 at 650degreesC. MgO2.2C(2)H(6)O(2).2NH(3) experienced a complicated process of decomposition, Mg(OH)Cl and carbon were obtained at 300degreesC and MgO at 530degreesC, respectively, which may decrease the quality of anhydrous MgCl2. (C) 2003 Elsevier B.V. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2369
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Long, GM,Ma, PH,Wu, ZM,et al. Investigation of thermal decomposition of MgCl2 hexammoniate andMgCl(2)biglycollate biammoniate by DTA-TG, XRD and chemical analysis[J]. THERMOCHIMICA ACTA,2004,412(1-2):149-153.
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