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本文对基本结构相似的三种偶氮染料橙黄Ⅱ、活性艳红X-3B和活性黑K-BR水溶液在铁粉还原-光氧化两步法处理中的紫外-可见光谱图作对比分析,依据其结构与特征吸收的关系,初步推测还原铁粉-光氧化法降解染料的历程.
In this paper, UV-Vis spectra of three kinds of azo dyes such as orange Ⅱ, reactive brilliant red X-3B and reactive black K-BR with similar basic structure were compared in the two-step iron reduction-photooxidation Its structure and characteristics of the absorption of the relationship between preliminary speculated that reduced iron powder - photooxidation degradation of the dye process.