Wahl, André, b. 1872, Atack, Frederick William · London : G. Bell and Sons · leaf 256
a molecule of the base. Compounds of this type are called " mm "-quinones by Willstatter, the quinonoid salts being called " liolo "-quinones. Witt has prepared tetramethyl-indamine by con- densing nitrosodimethylaniline with dimethylaniline. Toluylene Blue is formed by the oxidation of a mixture… … Preparation of Bindschedler's Green. A mixture of 13-6 parts of dimethyl-^-phenylene- diamine and 12-1 parts of dimethylaniline is dissolved in 400 to 500 parts of water, to which have been added 20 parts of concentrated hydrochloric acid. This solution is cooled by immersion in ice, and is…
Dyes and dyeing
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