The treatment of paper for special purposes : a practical introduction to the preparation of paper products for a great variety of purposes such as parchment paper, transfer papers, preservative papers, grained transfer papers, fireproof and antifalsification papers, polishing papers, tracing and copying papers, chalk and litho transfer papers, leather papers, luminous papers, tortoiseshell and ivory papers, metal papers, coloured papers, etc. etc., and paper articles (1907)
Andés, Louis Edgar, 1848-1925 · London : Scott, Greenwood & Son ; New York : D. Van Nostrand · leaf 254
it for a few minutes in a 5 per cent, solution of hydrochloric acid and finally in water. A fragment about ’ an inch square is moistened with glycerine and dissected with a pair of fine needles, the fragments being placed under a cover glass and examined. When staining or other reagents are used… … Fig. 46. — Jute. pliloroglucine as a L per cent, aqueous solution imparts a purple red stain to paper containing wood wool, when applied to the paper moistened with hydrochloric acid. Aniline sulphate (1 per cent, solution) gives a yellow stain to the same paper; naphthylamine chloride an orango;…
Paper · Papermaking
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