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Artificial dye-stuffs; their nature, manufacture, and uses (1917)

Ramsey, Albert R. J, Weston, H. Claude (Hubert Claude) · London, Routledge; New York, Dutton · leaf 137

An illustration from Artificial dye-stuffs; their nature, manufacture, and uses, 1917, leaf 137
is prepared by heating Rhodamine B. withanihne hydrocliloride, and dyes wool and silk red witha more yellowish tinge than Rhodamine B. Rhodamine 3 B. or Anisoline i^ an alkjlated rhoda-mine, and dyes a little more bluish than RhodamineB., but more brilliant and pure. Two other dye-stuffs containing… … HO It dyes mordanted wool and cotton, giving darkviolet shades with chrome mordants. Coeruleine (CgoHgOg) is obtained by heating galleinewith concentrated sulphuric acid to 200° C. It dyeswool and cotton a fast olive green with chrome mor-dants, and is extensively used in cotton printing. Ithas the…

Dyes and dyeing

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