The chemistry and physics of dyeing : being an account of the relations between fibres and dyes, the formation of lakes, and the general reactions of colloids, and their solution state (1906)
Dreaper, W. P. (William Porter), 1868-1938 · Philadelphia : P. Blakiston's Son & Co. · leaf 104
STATE OF FIBRES AND ACTION OF ASSISTANTS 89 The influence of time on the absorption of sulphuric acid in the cold (4°C.) is shown in the follow- ing curve. (Mills and Takamine.) … 20 40 60 80 Time of immersion. INFLUENCE OF TIME ON ABSORPTION OF ACID. [OH2. 250 cc. : Wool 2.61 grms. : H2S04.6625 grms. Time unit I hour.] Action of Acids in Dyeing. Acid colours. — The generally accepted theory here is that the sodium salts of the sulphonic acids are decomposed, and the dye…
Dyes and dyeing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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