【摘 要】
：
采用热重–差式扫描量热法(TG-DSC)分析了不同酸度的盐酸–水合氯化铈饱和溶液中生成的CeCl3·nH2O晶体在空气氛围热分解脱水的过程,热分析表明酸度对CeCl3·nH2O晶体结晶形
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采用热重–差式扫描量热法(TG-DSC)分析了不同酸度的盐酸–水合氯化铈饱和溶液中生成的CeCl3·nH2O晶体在空气氛围热分解脱水的过程,热分析表明酸度对CeCl3·nH2O晶体结晶形式有影响,氯化铈饱和溶液在盐酸中生成的CeCl3·nH2O晶体较商品CeCl3·nH2O晶体的热分解多一个恒温脱水失重的过程.X射线粉末衍射(XRD)结果表明此商品CeCl3·nH2O晶体为CeCl3·7H2O,盐酸–水合氯化铈饱和溶液中生成的CeCl3·nH2O晶体为含有不同个数结晶水的混合物.
The thermogravimetry-differential scanning calorimetry (TG-DSC) was used to analyze the thermal decomposition and dehydration of CeCl3 · nH2O crystals formed in saturated hydrochloric acid-hydrated cerium chloride solutions with different acidity. · NH2O crystals have an impact on the crystalline form, CeCl3 · nH2O crystals formed in the saturated solution of cerium chloride than the thermal decomposition of the commercial crystals of CeCl3 · nH2O have a temperature dehydration weight loss process. X-ray powder diffraction (XRD) results show that this product The CeCl3 · nH2O crystal is CeCl3 · 7H2O, and the CeCl3 · nH2O crystal formed in the hydrochloric acid-hydrated cerium chloride saturated solution is a mixture containing different numbers of crystal water.
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