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卟啉配体与金属离子形成的络合物ε>10~5,用于金属的定量分析有灵敏度高、操作简便等优点.meso-四(4-氨基苯基)卟啉[T(4-AP)P]是测定铜的高灵敏显色剂,已用于一些样品的光度测定.本文用导数光谱建立二阶导数光度法,灵敏度比普通光度法高11.5倍,选择性显著提高.这一新方法用于生物样品中铜的测定,结
The complexes of porphyrin ligands and metal ions, ε> 10 ~ 5, have the advantages of high sensitivity, simple operation and simple operation for quantitative analysis of metals.Meso-tetrakis (4-aminophenyl) porphyrin [T AP) P] is a highly sensitive reagent for the determination of copper, which has been used for the photometric determination of some samples.In this paper, the second derivative spectrophotometry was established by using derivative spectroscopy, the sensitivity was 11.5 times higher than that of the ordinary photometry, the selectivity was significantly increased The new method is used for the determination of copper in biological samples