高温高压下叶蜡石脱水电导率实验Dehydration Experiment of Electrical Conductivity of Pyrophyllite at HTP
代立东,李和平,刘丛强,苏根利,崔桐娣,单双明,杨昌君,刘庆友
摘要(Abstract):
在压力为1.0~4.0GPa、温度为873~1223K下采用Sarltron-1260阻抗/增益-相位阻抗谱分析仪测定了叶蜡石的电导率。实验结果表明,电导率与温度间的关系符合Arrenhius关系式;叶蜡石的脱水引起电导率的突然变化,使电导率急剧上升;脱水前,电导率随着压力增大而减小,其导电机制为电子导电;脱水后,电导率随着压力增大而增大,其导电机制为离子导电。
关键词(KeyWords): 叶蜡石;高温高压;电导率;脱水作用
基金项目(Foundation): 国家自然科学基金资助项目(49674221);; 中国科学院知识创新重要方向项目(KZCX3-SW-124)
作者(Author): 代立东,李和平,刘丛强,苏根利,崔桐娣,单双明,杨昌君,刘庆友
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