摘要
利用痕量锰在邻二氮菲活化剂存在时对高碘酸钾氧化孔雀绿褪色反应的催化作用来测定锰,并用六偏磷酸钠来中止反应;测定线性范围为0.4～20ng/ml。最低检出限为0.15ng/ml。标准加入回收率在93～108％之间。
A spectrophotometric method based on the catalytic effect of manganese (Ⅱ) on the oxidation(decolouration) of Malachite Green by potassium peri-odate in the presence of 1,10 phenanthroline as activator is developed to de-termine the amount of manganese. The reaction can be inhibited and stopped by sodium hexametaphosphate. Both the sensitivity and selectivity are satis-factory.
出处
《安徽大学学报（自然科学版）》
CAS
1989年第1期67-74,共8页
Journal of Anhui University(Natural Science Edition)
关键词
催化
分光光度法
锰
孔雀绿
六偏磷酸钠
catalytic
spectrophometry
manganese
malachite green
sodium hexametephosphate
