Georgievics, Georg von, b. 1859, Salter, Charles Thomas Colley · London, Scott, Greenwood & co. · leaf 155
furnishes a blue rosaniline dye-stuff on oxidation. 144 CHEMISTRY OF DYE-STUFFS. furnish rosaniline dye-stuffs when oxidised. On the other-hand, such bases as contain only one amido group in thepara position and the other two in the ortho or metaposition, e.g., … do not give dye-stuffs on oxidation. Rosanihnes containing none of the three amido groupsin the para position towards the methane carbon cannotbe prepared at all. Should one of the amido groups be lacking in rosaniline,the tinctorial character is not removed but only altered.The resulting…
Dyes and dyeing
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