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本文采用光度法,通过脚水吸光度值的测定研究了利用酸性媒介染料进行地毯纱染色时的红矾最佳量及加入稀土作染色助剂时红矾减量的规律,并根据实验结果提出了一种简便的确定红矾减量的方法。
In this paper, by the determination of the absorbance of the foot water, the optimum amount of red vitriol and the reduction of red alum when adding rare earths as dyeing auxiliaries were investigated by means of spectrophotometry. Based on the experimental results, A Simple and Convenient Method for Determining Red Alumina.