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众所周知染料结构的分析,对于及时了解国外染料发展的动态、新品种开发研究、老产品的质量提高,是项颇为重要的技术,因此必须提高染料分析的技术水平。虽然目前测试仪器设备的不断完善,但对于含有磺酸基的水洛性染料,如活性染料、酸性染料等,这类染料的分析,相对于不含磺酸基的非水溶性染料,如分散染料,其难度要大些。本文介绍的纸上层析,广泛地应用于含磺酸基染料的分析。在此仅有关活性染料活性基的鉴定,氨基苯磺酸类同分异构体、多磺酸苯胺类的分离、鉴定作一简单的介绍。
It is well-known that the analysis of dye structure is a very important technology for keeping abreast of development of foreign dyes, research and development of new varieties and improvement of quality of old products. Therefore, it is necessary to improve the technical level of dye analysis. Although the current test equipment continues to improve, but for the water-based dyes containing sulfonic acid groups, such as reactive dyes, acid dyes, such dyes analysis, compared to non-water-soluble sulfonate-free dyes, Dyes, its more difficult. This paper describes the paper chromatography, widely used in the analysis of sulfonic acid-containing dyes. Here only the identification of active dye reactive groups, aminobenzenesulfonic acid isomers, polysulfonic aniline separation, identification for a brief introduction.