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测定钴的亚硝基红盐(简称NRS)法,灵敏度为0.001毫克钴/50毫升。我们将三正辛胺(简称TNOA)加入到钴-亚硝基红盐的络合物中,使其形成三元络合物,用二甲苯萃取,方法的灵敏度为0.0002毫克
Determination of cobalt nitrosyl red salt (referred to as NRS) method, the sensitivity of 0.001 mg cobalt / 50 ml. We added tri-n-octylamine (abbreviated as TNOA) to the complex of cobalt-nitroso red salt to form a ternary complex and extracted it with xylene. The sensitivity of the method was 0.0002 mg