The principles and practice of textile printing (1912)
Knecht, Edmund, 1861-1925 · London : C. Griffin & Co. · leaf 316
uack L. 150 grms, starch. 100 4, ~=— British gum. 400 ,, water. 60 ,, acetic acid. 25 ,, Alizarin X. 20 per cent. (British Alizarin Co., Ltd.). 30,4, Quercitron bark extract 48° Tw. 135 ,, Logwood extract 48° Tw. Boil and add 16 ,, chlorate of soda. Cool and add 6 ,, finely ground potassium… … must be employed accord- ingly. What is known as “ Fast steam black,” ‘Carmine black,” etc., is simply a reduced Logwood containing the necessary mordant. It is made by precipitating Logwood with bichromate of potash, and then treating the black lake thus obtained with bisulphite of soda, <A…
Textile printing · Textile printing machines · Dyes and dyeing
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