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本文用自合成的高灵敏显色剂meso—四—(对甲氧苯基)卟啉(TMOPP),通过四阶导数光谱CPA计算分析方法,对合成试样和植物标样中的Zn,Cd进行了同时测定。其相对误差均在±10%以内。
In this paper, four-order derivative spectroscopy (CPA) method was used to analyze the contents of Zn, Cd in synthetic samples and plant standard samples from meso-tetrakis- (p-methoxyphenyl) porphyrin (TMOPP) Simultaneous determination was performed. The relative errors are within ± 10%.