摘要
在pH5.5(HAc-NaAc)的水溶液中和70℃左右,以5-Cl-PADAB为指示剂,使用超精电动加液仪,用EDTP目视滴定铜.本法操作简便,终点敏锐,选择性高,适于滴定20μg～5mg铜,用于测定多种合金中的铜,结果满意.
In this paper, the visual titratiou of copper with EDTP using 5-C1-PADAB as indicator has been reported in pH5.5 aqueous solution and at 70C.The end point is sharp.The method is selective and suitable for the titration of 20u.g-Snig of copper. It has been applied to determine copper in many alloys.
出处
《冶金分析》
CAS
CSCD
北大核心
1991年第5期4-6,共3页
Metallurgical Analysis
