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首页> 外文期刊>Physica, B. Condensed Matter >The influence of temperature (20-1000 degrees C) on binary mixtures of solid solutions of CH3COOLi center dot 2H(2)O-MgHPO4 center dot 3H(2)O
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The influence of temperature (20-1000 degrees C) on binary mixtures of solid solutions of CH3COOLi center dot 2H(2)O-MgHPO4 center dot 3H(2)O

机译:温度(20-1000摄氏度)对CH3COOLi中心点2H(2)O-MgHPO4中心点3H(2)O的固溶二元混合物的影响

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Thermally induced phase transitions (20-1000 degrees C) in the substrates and binary mixtures of -MgHPO4 center dot 3H(2)O(11) have been analysed. Changes taking place on dehydration and thermal dissociation of binary mixtures prepared with percent molar ratios of 90-10% were studied by differential thermal analysis (TG, DTG, DTA). IR-spectroscopy and WAXS. The above-mentioned substrates changed their structure when heated for 1 h at 500 or 1000 degrees C. CH3COOLi center dot 2H(2)O(1) (ID: 23-1171) changed the structure at 500 degrees C to that of Li2CO3 (ID: 22-1141), while at 1000 degrees C the structure was impossible to analyse as the compound reacted both with porcelain and with platinum (crucible materials). MgHPO4 center dot 3H(2)O(11) (Newberyite, ID: 35-780, 19-762) changed its structure at 500 degrees C to amorphous phase and at 1000 degrees C to Mg2P2O7 (ID: 32-626). The following compounds were assayed in the respective binary mixtures heated at 500 degrees C for 1 h: 70% (1)-30%(11): LiMgPO4 (ID: 18-735). MgO (ID: 4-829); 50%(1)-50%(11): LiMgPO4 (ID: 18-735), Li3PO4 (ID: 25-1030); 30%(1)-70%(11): LiMgPO4 (ID: 32-574); binary mixtures heated at 1000 degrees C contained the following compounds: 70%(1)-30%(11): LiMgPO4 (ID: 32-574,18-735), Li3PO4 (ID: 15-760,25-1030), MgO (ID: 4-829); 50%(1)-50%(11): LiMgPO4 (ID: 32-574,18-735), MgO (ID: 4-829); 30%(1)-70%(11): LiMgPO4 (ID: 18-735, 32-574), Mg2P2O7 (ID: 22-1152, 8-38), Li4SiO4 (37-1472).
机译:分析了基板中的热诱导相变(20-1000摄氏度)和-MgHPO4中心点3H(2)O(11)的二元混合物。通过差示热分析(TG,DTG,DTA)研究了摩尔比为90-10%的二元混合物在脱水和热解中的变化。红外光谱和WAXS。当在500或1000摄氏度下加热1小时时,上述基板会改变其结构。CH3COOLi中心点2H(2)O(1)(ID:23-1171)在500摄氏度下会将结构更改为Li2CO3( ID:22-1141),而在1000摄氏度时该结构无法分析,因为该化合物既与瓷器又与铂(坩埚材料)反应。 MgHPO4中心点3H(2)O(11)(Newberyite,ID:35-780,19-762)在500摄氏度下将其结构更改为非晶相,在1000摄氏度下将其结构更改为Mg2P2O7(ID:32-626)。在500℃下加热1小时的相应二元混合物中测定以下化合物:70%(1)-30%(11):LiMgPO4(ID:18-735)。氧化镁(ID:4-829); 50%(1)-50%(11):LiMgPO4(ID:18-735),Li3PO4(ID:25-1030); 30%(1)-70%(11):LiMgPO4(ID:32-574);在1000摄氏度下加热的二元混合物包含以下化合物:70%(1)-30%(11):LiMgPO4(ID:32-574,18-735),Li3PO4(ID:15-760,25-1030),氧化镁(ID:4-829); 50%(1)-50%(11):LiMgPO4(ID:32-574,18-735),MgO(ID:4-829); 30%(1)-70%(11):LiMgPO4(ID:18-735,32-574),Mg2P2O7(ID:22-1152,8-38),Li4SiO4(37-1472)。

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