PH value of sliding agent in mercerized wool and nylon acid dyes, reactive dyes, mordant dyes or metalcomplex dyes for dyeing, dye bath can aptitude acidic PH value from sliding.
Results prove that the degree of decoloring varies decreasingly with the dye structure in the(following) sequence: azo dyes, anthraquinone dyes, metalcomplex dyes, and cationic dyes.