氟离子选择电极测定低铬钝化液中的氟  

Ion Selective Electrode Analysis of Fluoride in Diluted Chromating Solution

作　　者：王孝熔[1] 

机构地区：[1]烟台师范学院

出　　处：《电镀与涂饰》1995年第1期11-12,共2页Electroplating & Finishing

摘　　要：阐述用氟离子选择电极测定低铬钝化液中的氟的方法。用柠檬酸钠消除试样中Ａｌ３＋、Ｆｅ３＋的干扰，控制溶液ｐＨ于５～５．５，不经化学分离，可直接测定。Ion selective electrode analysis of fluoride in deluted chromating solution is described. Interferences of Al3+ and Fe3+ in sample solution can be eliminated by adding citrate as masking agent. By controlling pH of the solution within 5 - 5.5, determination can be made directly without any separation procedure.

关 键 词：离子选择电极 钝化液 氟 测定 电镀 镀铬 

分 类 号：TQ153.11[化学工程—电化学工业]