Identifier: journals07soci (find matches)
Title: Journal
Year: 1882 (1880s)
Authors: Society of Chemical Industry (Great Britain) Society of Chemical Industry (Great Britain). Abstracts Society of Chemical Industry (Great Britain). Review Society of Chemical Industry (Great Britain). Transactions and communications
Subjects: Chemistry, Technical
Publisher: London (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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ne, the compositionof auilinc-for-rcd is about 333 per cent, aniline, .24-0 percent.;)-toluidine, and 427 per cent, o-toluidiue. The normal red-melt contains the following bodies :— (1.) Arsenious and arsenic acids. (2.) Afai/enta bases r pararosaniline, rosanilinc, roso-toluidine. (3.) Phnsphitie bases: chrysaniline, ehrysotoluidinc. (4.) Indulines : violaniline, mauvaniline. (5.) JJroirn co/ouruig matters, (6.) Ilumus-likc substances of unknown constitution. The partial sci>aration of the various colouring-matters iseffected by means of their different solubilities in diluteacids and alkalis, aiul the ))roduct,s are brought into themarket as niaijfnta orftivhsiuc crystals (mixture of pararos-aniline and rosaniliiie), cerise (mixture of rosanilines andphospliines), and maroon (mi.vture of nianvaniline, browns,and a Ruiall quantity of ro.sHuiliues and iihuspliines). 77ie Red ^fllt.—The operation is perlormed in verticalcast-iron pots A and A (Fig. 1), each of which is A Fig. 1.
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^\i •/ Fig. 2.

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