hat
Nan pwosesis la nan enprime ak DYEING, trivalan kwomik ki pwodui pa rediksyon nan bikromat sodyòm, se konsa kòm amelyore fatigye poze nan koloran mordant.
eng
In the process of printing and dyeing, trivalent chromium is produced by reduction of sodium bichromate, so as to improve dyeing fastness of mordant dyes.