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研究了二乙氨基二硫代甲酸钠测水样中铜的光导光度分析方法。5个天然水样中的铜测量结果与用原子吸收法测量的结果基本一致,5个水样测量的平均相对误差为57%,测量灵敏度比用1cm比色皿测量提高约112倍。
The photometric detection of copper in aqueous samples by sodium diethyldithiocarbamate was studied. The results of copper measurement in 5 natural water samples were basically the same as those obtained by atomic absorption spectrometry. The average relative error of 5 water samples was 57%, and the measurement sensitivity was about 112 times higher than that of 1cm cuvettes.