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氟离子选择电极测定低铬钝化液中的氟
引用本文:王孝熔. 氟离子选择电极测定低铬钝化液中的氟[J]. 电镀与涂饰, 1995, 14(1): 11-12
作者姓名:王孝熔
作者单位:烟台师范学院
摘    要:阐述用氟离子选择电极测定低铬纯化液中的方法。用柠檬酸钠消除试样中Al^3+、Fe^3+的干扰,控制溶液PH于5-5.5,不经化学分离,可直接测定。

关 键 词:离子选择电极 钝化液 氟 测定 电镀 镀铬

Ion Selective Electrode Analysis of Fluoride in Diluted Chromating Solution
WANG Xiaorong. Ion Selective Electrode Analysis of Fluoride in Diluted Chromating Solution[J]. Electroplating & Finishing, 1995, 14(1): 11-12
Authors:WANG Xiaorong
Affiliation:WANG Xiaorong
Abstract: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.
Keywords:element analysis   ion selective electrode   chromating solution   fluoride
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