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OALib Journal期刊
ISSN: 2333-9721
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马鞍山绿松石的热相变过程
Abstract:
利用差热分析、红外吸收光谱、Raman光谱和X射线粉晶衍射分析方法,对安徽马鞍山具磷灰石假象绿松石热相变的过程和最终产物进行了研究。结果表明假象绿松石的热相变可以分为6个阶段100～200℃为假象绿松石吸附水脱失阶段;250～330℃为假象绿松石羟基和晶格水分子脱失阶段;330～750℃为非晶态物相阶段;750℃为新物相的形成阶段;750～1200℃为具有鳞石英结构磷酸铝的形成阶段;1200℃为磷酸铝的结晶有序度明显增加。
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