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The Composition of Pine Wood


A MONOGRAPH on the “Chemical Composition of Pine-wood,” by Prof. Klason, of Stockholm, has been issued by Gebrüder Borntraeger, of Berlin, as the second of a series of “Schriften des Vereins der Zellstoffund Papier-Chemiker.” In addition to the importance of pine-wood as the chief raw material of the paper industry, this particular wood has acquired a special scientific interest from the important colour-reactions in which it has figured as a test material. Thus phloroglucinol imparts a red-violet colour to a pine splinter moistened with hydrochloric acid, aniline sulphate a yellow colour, pyrocatechol and resorcinol a red-violet, pyrogallol a grey-violet, pyrrol and indol a red, phenol a blue, a-naphthol with sulphuric acid a green, hæmatoxylin a violet, naphthylamine hydrochloride a yellow, aminoanthracene hydrochloride a red, phenylhydrazine hydrochloride a yellow, and so forth.


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L., T. The Composition of Pine Wood . Nature 86, 259 (1911).

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