Artificial dye-stuffs; their nature, manufacture, and uses (1917)
Ramsey, Albert R. J, Weston, H. Claude (Hubert Claude) · London : G. Routledge & sons, ltd.; New York, E. P. Dutton & co. · leaf 161
+ 3HaO Aminodiethy 1-m - aminoph eno 1New Methylene Blue is a greenish blue dye-stuff usedfor dyeingjmordantedj cotton and silk, to which itimparts very fast colours. It is manufactured bycondensing dimethylamine with Meldolas Blue, and hasthe formula— H H … C-N(CH3)2 The members of the second main group of oxazine dyesare known as the mordant colours, because they forminsoluble lakes with metallic salts when the latter are usedas mordants, and in this respect they resemble alizarin.They are produced by condensing gallic acid— COOH HC CH OH—C C—OH…
Dyes and dyeing
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