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本文研究了各种因素对新显色剂NPA-pN与Y发生β型络合反应的影响。主要仪器与试剂721型分光光度计;偶氮硝膦-pN溶液:0.125%;稀土标准溶液:用高纯单个稀土氧化物配制成含稀土10μgml~(-1)的稀盐酸溶液。
In this paper, the effects of various factors on the β-type complexation of NPA-pN and Y were studied. Main instruments and reagents 721 spectrophotometer; azo nitrophosphine-pN solution: 0.125%; rare earth standard solution: with a high purity single rare earth oxides formulated with dilute hydrochloric acid solution containing rare earth 10μgml ~ (-1).