Hummel, J. J. (John James), -1902 · London : Cassell & Company · leaf 449
433 Chap. XX.] ALIZARIN. to steep for twenty-four hours. It is then thoroughly washed and hydro-extracted. 12 th Operation : Dyeing. — Dye with 150 — 180 grams of Alizarin (10 per cent.), 30 grams of ground Sumach, … and about 300 grams of bullock’s blood, per kilo, of cotton yam. If the water contains little or no lime, add also ground chalk in the proportion of 1 per cent, of the weight of Alizarin (10 per cent.) employed. The yarn is introduced into the cold solution of the dye-vessel, the temperature is…
Dyes and dyeing
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