CAS 548-62-9 Gentian фиолетовый кристалл фиолетовый для биологического пятна
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Reactive dyes form a new chemical compound when they come into contact with a fiber molecule. Reactive dyes are applied either from a solution with high pH or from neutral solutions that are later alkalized through a separate process. Sometimes different shades are brought out by applying heat to the dyed textile. Originally, reactive dyes were applied to cellulosic fibers but today other fibers are also dyed using reactive dyes. About 95% of reactive dyes are azo dyes covering an entire range of colors. Blues and greens are also provided by anthraquinone and phthalocyanine structures.
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