The synthetic dyestuffs : and the intermediate products from which they are derived (1905)
Cain, John Cannell, 1871-1921, Thorpe, Jocelyn Field, 1872-1940 · London : C. Griffen and Co. · leaf 254
(y acid) (2 mols.). (Diamine black RO). 236 SYNTHETIC DYESTUFFS. Diamine violet N [C] is formed by the combination of the above constituentsin acid solution; its formula is S03Na oh<:> N : N- -N : NOH / NH2 NH9 > (Diamine violet N). 12. Naphihol blue-black.
Dyes and dyeing
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