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本文使用吡啶偶氮类显色剂,对硝基萘重氮氨苯(简称Cadion2B)和微量锌的络合显色反应。该法应用于血清中微量锌的测定,其相对标准偏差小于5%,回收率为95~110%。
In this paper, pyridinium azo color reagent, nitronaphthalene diazoaminobenzene (Cadion2B) and trace zinc complex color reaction. The method is applied to the determination of trace zinc in serum with relative standard deviation of less than 5% and recovery of 95-110%.