Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 497
is used in connection with the copperas. Alum and bluestone arealso frequently added with the copperas to vary the tone. The dyebath isprepared with Logwood and a little Fustic for shading; it is also recom-mended to add a small amount of calcium acetate as it increases the inten-sity of the color,… … Fig. 246.—.Sizing Mangle for Cotton and Linen Pieces. (Zittauer.) probable that under these circumstances some of the iron oxide is con-verted into the higher oxide (ferric oxide), and this acts as an oxidizingmordant with the Logwood. When bluestone is used with the copperas,or when hematine is…
Dyes and dyeing · Textile fabrics
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