Cotton manufacture: a manual of practical instruction in the processes of opening, carding, combing, drawing, doubling, and spinning of cotton, and the methods of dyeing and preparing goods for the market (1894)
Lister, John, 1920- · London, C. Lockwood · leaf 155
ples underlying the curious chemical change which takes placewith this dye stuff. The dyeing of blue with indigo is to hydrogenise it, so as totransform it into white indigo, which is soluble in alkaline baths ; ACTION OF INDIGO IN DYEING. 141 then by oxidising, when put upon textiles to be dyed,… … hydrogen in a constant and regular succession, as well as the re-agents necessary to supply the oxygen. It must be borne in mindthat white indigo is soluble, and remains in a state of suspension inalkaline solutions, such as soda, ammonia, and potash, but in thesolutions of earthy alkalies, as…
Cotton manufacture
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.