Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 512
d,but it gives lighter shades with iron mordants. Morintannic acid may beprepared from commercial Fustic extract by allowing the concentratedsjTupy solution to stand for some days, when an abundant crystallinedeposit will be formed; this is washed rapidly with a little cold water andstrongly… … FiG. 252.—Overhead Folding Attachment. (Curtis & Marble.) centrated by evaporation, and precipitated by the addition of hydro-chloric acid. Pure moric acid may be obtained from the residue by treat-ing with cUlute hydrochloric acid (to decompose the calcimn morate) anddissolving in alcohol. On…
Dyes and dyeing · Textile fabrics
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