Acid Dyes

Some articles on acid dyes, dyes:

Classes of Acid Dyes
... Equalizing/leveling acid dyes Highest level dyeing properties ... Milling acid dyes Medium to high wet fastness ... Some milling dyes have poor light fastness in pale shades ...
Trichrome
... histological staining method which uses two or more acid dyes in conjunction with a "polyacid" to differentially stain two basic materials in contrasting colours ... The techniques employ two or more acid dyes ... Normally it would be expected that acid dyes would all stain the same basic proteins, but by applying them sequentially the staining pattern may be ...