一种溶剂聚合膜pH电极的研制与应用  

Preparation and applications of a solvent polymeric membrane pH electrode.

作　　者：刘冬[1] 陈文灿[1] 何德良[1] 俞汝勤[1] 

机构地区：[1]湖南大学化学化工系,长沙410082

出　　处：《分析仪器》1996年第4期19-22,共4页Analytical Instrumentation

基　　金：国家自然科学基金资助课题

摘　　要：以N-十八烷基咪唑为电荷载体制备出一种溶剂聚合膜pH电极.该电极的pH工作范围为2.4～12.6,斜率值为57.3mV/pH.电极响应时间快,并表现出良好的稳定性和重现性.讨论了增塑剂以及电负性离子添加剂对电极响应的影响.将电极应用于HF酸的电位滴定分析,取得满意结果.A solvent polymeric membrane pH electrode using N-octadecyl imdazole as charge earner is described. The working range of the electrode is pH2. 4-12. 6 with a slope of 57. 3 mV/pH. The Influence of plasticizer and anionic additive on the potentiometric response of the electrode is discussed. The electrode has been used as a reference electrode to titrimetric analysis of HF with satisfaction.

关 键 词：电荷载体 聚合膜 PH电极 电位滴定仪 

分 类 号：TH832.33[机械工程—仪器科学与技术]