摘要
报道了以氨三乙酸存在下锰 催化KIO4 氧化结晶紫的反应指示终点 ,结晶紫电极作指示电极用催化电位滴定法测定铬鞣剂中Cr 的方法。该法终点灵敏、准确度高、重现性好 ,结果满意 ,用标准加入法测得的平均回收率为 10 0 0 3% ,RSD为 0 2 4%
A method of catalytic potential titration for the determination of chromium? by using crystal violet ion selective electrode is reported. The experimenal result indicated that this method showed high sensitivity and high accuary. The method has been applied to the determination of chromium? in tanning material of leather, and the determination result by this method was in agreement with that of oxidation reduction titration.
出处
《分析化学》
SCIE
EI
CAS
CSCD
北大核心
2001年第1期77-79,共3页
Chinese Journal of Analytical Chemistry
关键词
催化电位滴定
铬鞣剂
铬(Ⅲ)
Catalytic potential titration
chromium tanning material of leather
chromium(Ⅲ)
