Ozone Fading of 2,2'-Dihydro Azo Copper Complex Dyes
The reactivities of dyes with ozone were in the following order, Acid Blue 74 > disodium 1-(2-hydroxyphenylazo)-2-naphthol-3,6-disulfonate > Direct Yellow 12 > Acid Orange 7 > disodium 1-phenylazonaphthalene-3,6-disulfonate-2,2'-diolatocopper(II) > Mordan