The coal tar colours of Farbwerke vorm. Meister Lucius & Brüning : Hoechst on Main : and their application in dyeing cotton and other vegetable fibres (1907)
Farbwerke vorm. Meister Lucius & Brüning · New York : H.A. Metz · leaf 96
the flax fibre retains adistinct blueish tint which even darkens if, after the sulphuric acid bath hasbeen washed out, the cloth is put into ammonia. Another method for testing, by H. Behrens, consists in dyeing the fabricwith Methylene Blue in a warm bath; continued rinsing totally removes… … German Flax Italian Flax.
Coal-tar colors · Dyes and dyeing
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