自动电位滴定法快速测定铝箔生产液中的氯离子  

Automatic potentiometric titration determinated chloride ions in electrolyte

作　　者：林庆宇[1] 张志[1] 罗杨合[1] 练洁婷[1] 

机构地区：[1]贺州学院化学与生物工程系,广西贺州542800

出　　处：《化学工程师》2011年第9期30-31,53,共3页Chemical Engineer

基　　金：广西教育厅项目(201010LX536);贺州学院大学生科技立项项目(2010DXSKJ05);贺州学院科研立项项目(2010ZRKY01)

摘　　要：利用自动电位滴定仪,在体积分数为80%的丙酮介质中,以Ag电极为指示电极,双盐桥甘汞电极为参比电极,对铝箔生产液中Cl-进行非水滴定,方法的电位突跃明显,电极响应速度较快,SO24-、Cu2+、Fe3+及可能存在其他离子均对测定结果无影响,实现了自动电位滴定法快速测定铝箔生产过程液中Cl-的含量,结果表明本法是一种测定Cl-含量的有效方法。Using automatic potentiometric titration, chlorine ions in aluminum electrolyte was determined at 80% acetone medium, with the silver electrode as indicator electrode, double salt bridge calomel electrode as reference electrode. The end point jumped of method over 500mV, the electrode responsed faster. Sulfate, copper ions, iron ions and other ions were no effect on the determination. The result showed that content of chloride could be achieved quickly by automatic potentiometric titration. It is an effective way to determine of industry chloride ion.

关 键 词：氯离子 自动电位滴定 非水滴定 电解液 

分 类 号：O655.2[理学—分析化学]