Farbenfabriken vorm. Friedrich Bayer & Co · Leverkusen [Germany] : The Farbenfabriken · leaf 85
dvisable tobegin with an addition of 2—3% acetic acid and to add 2—4% bisulphateof soda later on. Sulphon Cyanine GR extra, like the SulphonCyanines in general, and Gloria Black N are dyed at 195—200^ Faht.with an addition of 10—20*^^ Glaubers salt, a little acetic acid beingsubsequently added. It… … 30/0 Bi-illiant Croceine 3 B 3% Indian Yellow O 2% Fast Light Yellow G 368
Dyes and dyeing
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