Wood Turpentine: Its Production, Refining, Properties and Uses (Classic Reprint) - Couverture souple

F. P. Veitch

Couverture souple

ISBN 10 : 1332287352 ISBN 13 : 9781332287352

Editeur : Forgotten Books, 2017

Synopsis

Excerpt from Wood Turpentine: Its Production, Refining, Properties and Uses

Wood turpentine, "stump turpentine," or "wood spirits of turpentine," as the product is variously known, is turpentine oil made from cut pine, fir, or spruce, by distilling the wood in closed retorts. When properly refined it closely resembles gum spirits of turpentine, obtained by distilling the gum which oozes from the cut surface of the living tree. The turpentine made by distilling the wood with steam below a temperature of 150 C. more closely resembles gum spirits than that obtained by destructively distilling the wood. The latter is always contaminated with other oils derived from the breaking down of the wood and the resins which it contains. In some cases where the context shows plainly that wood turpentine is meant the term "turpentine" is used to avoid repetition; it should be noted, however, that commercially wood turpentine should always be designated as such and not as "turpentine."

Wood turpentine is used, chiefly as a varnish and paint thinner as a substitute for, or in the place of, gum turpentine. Its production and use has increased slowly, partly because of its objectionable odor, its physiological effect, its lack of uniformity, and unsatisfactory working qualities due thereto, and partly because of the lack of knowledge regarding its ultimate effect on the color and durability of varnishes and paints.

The recovery of turpentine by distillation from the wood was attempted years ago, and the first patents relating to this subject were granted as early as 1841. The process was not developed, however, and it is only within recent years that any material success has attended its use.

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A propos du livre

Présentation de l'éditeur

This book was originally published prior to 1923, and represents a reproduction of an important historical work, maintaining the same format as the original work. While some publishers have opted to apply OCR (optical character recognition) technology to the process, we believe this leads to sub-optimal results (frequent typographical errors, strange characters and confusing formatting) and does not adequately preserve the historical character of the original artifact. We believe this work is culturally important in its original archival form. While we strive to adequately clean and digitally enhance the original work, there are occasionally instances where imperfections such as blurred or missing pages, poor pictures or errant marks may have been introduced due to either the quality of the original work or the scanning process itself. Despite these occasional imperfections, we have brought it back into print as part of our ongoing global book preservation commitment, providing customers with access to the best possible historical reprints. We appreciate your understanding of these occasional imperfections, and sincerely hope you enjoy seeing the book in a format as close as possible to that intended by the original publisher.

Détails de l'édition

• Éditeur: Forgotten Books
• Date d'édition: 2017
• Langue: anglais
• ISBN 10: 1332287352
• ISBN 13: 9781332287352
• Reliure: Broché
• Nombre de pages: 80
• Coordonnées du fabricant: Copytech (UK) Ltd, Trading as Printondemand-worldwide.com; gpsr@podww.com; ; 9 Culley Court; Orton Southgate; Peterborough; Cambridgeshire; PE2 6WA; Royaume-Uni
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