简便高效测定熔盐电导率的新方法  

Simple and highly effective new way of measuring electrical conductivity of molten salts

作　　者：包莫日根高娃[1] 王兆文[2] 高炳亮[2] 石忠宁[2] 胡宪伟[2] 

机构地区：[1]内蒙古民族大学分析测试中心,内蒙古通辽028000 [2]东北大学材料与冶金学院,沈阳110819

出　　处：《有色金属科学与工程》2016年第6期8-12,共5页Nonferrous Metals Science and Engineering

基　　金：国家自然科学基金资助项目(51322406);国家科技支撑计划(2012BAE08B01);内蒙古民族大学博士科研启动基金(BS349)

摘　　要：提出一种简便高效的测定熔盐电导率的新方法——管式电导池法.该方法采用热解氮化硼管自制电导池,以钨丝作为工作电极,石墨作为对电极,采用阻抗仪测定n Na F·Al F3-Al2O3-Ca F2熔盐的电阻,并与Wang经验公式和Choudhary经验公式计算所得电导率数据进行比较.结果表明,自制的管式电导池法所测得数据与经验公式计算得数据相近,并且有较好的准确性和重现性.管式电导池法是一种准确度高、结构简单、造价便宜、能扩大应用范围测定熔盐电导率的有效测试手段.The paper presented a simple and highly effective new way of measuring the electrical conductivity of molten salts-the tube-type cell technique. The electrical conductivity of nNaF·AlF3-Al2O3-CaF2 melts was measured by impedance meter with pyrolytic boron nitride （BN） as conductivity cell, tungsten filament as the working electrode and graphite as the counter electrode, and was compared with the data of conductivity obtained by CHOUDHARY model and the WANG model. The result shows that the data obtained by tube-type cell are similar with to calculation data by the empirical formula with high-accuracy and high reproducibility, hence , the tube-type cell technique is an effective way of measuring with the excellent properties of high-accuracy, simple structure and inexpensiveness whose application of range can be widen to measure conductivity of molten salts.

关 键 词：熔盐 电导率 测定 高效 

分 类 号：TF821[冶金工程—有色金属冶金] O646.1[理学—物理化学]