| 单词 | red liquor |
| 释义 | > as lemmasred liquor red liquor n. now historical a mordant solution for red dyes, typically a basic solution containing aluminium acetate. ΚΠ 1803 T. Smith Wonders Nature & Art IV. i. 131 In this state, they receive their first dye, by dipping them in a red liquor, prepared with lac, and some other ingredients. 1844 E. A. Parnell Appl. Chem. I. 280 Red liquor is much more extensively employed as a mordant than any other preparation of alumina. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) vi. 157 The analogous aluminic acetate is known only in solution, and finds a wide application as ‘red liquor’ mordant in calico printing and dyeing. 2000 R. Chenciner Madder Red xii. 229 It was necessary to subject the textile to a preparatory treatment before dyeing. This was traditionally done by means of a mordant known as ‘red liquor’, which consisted of alum with a certain content of clay. < as lemmas |
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