in New York .
Written in English
|LC Classifications||TA424 .N26 1869|
|The Physical Object|
|Number of Pages||31|
|LC Control Number||04034355|
The preservation of wood by coal-tar and its products by National patent Wood Preserving Company. [from old catalog]Pages: Chemicals that are primarily used in preservation of wood are: coal-tar creosote, pentachlorophenol, inorganic arsenicals, and water-borne preservatives. Coal-tar creosote is a brownish black/yellowish dark green oily liquid with a characteristic sharp odor, obtained by the fractional distillation of crude coal tars. Book Condition: Good++; Hardcover; Covers are still glossy with a few minor handling-marks; Unblemished textblock edges; The endpapers and all text pages are clean and unmarked; The binding is excellent with a straight spine; This book will be stored and delivered in a sturdy cardboard box with foam padding; Medium-Large Format (Quatro, " - " tall); Dark brown covers with title in Format: Hardcover. wood tar. Where coal tar creosote is cheap and plentiful it is unlikely that wood tar products will be used to any extent for wood preservation, except by those who manufac-ture them and have them available as by-products from producer gas plants. On the other hand, in colonial countries where creosote has to be imported, or during times.
Wood preservation industries have impregnated wood products with oilborne and waterborne preservatives since the s, to protect wood against insects, fungi and alteration from weathering. Preservatives help to extend the wood service time by 25 to 50 years (Cooper, ; McBain et al., ). Page 40 - In case of a tie between candidates for the same office, the members present at the Annual Meeting shall elect the officer from the candidates so tied. The presiding officer shall announce to the meeting the names of the officers elected. ARTICLE VII Management SECTION 1. The President shall have general supervision of the affairs of the Association, shall preside at its meetings and. Coal tar: It is obtained as a byproduct in the process of making coke. Though its colour is the same as coke, tar is a highly viscous liquid. It also has an extremely unpleasant smell. Uses: Coal tar is widely used to manufacture paints, perfumes, synthetic dyes, photographic material, drugs and explosives. Notice of Rebuttable Presumption Against Registration of Pesticide Products Containing Coal Tar, Creosote and Coal Tar Neutral Oil. Fed. Reg. 43 (): Todd, A.S. and C.Y. Timbie. Industrial Hygiene Surveys of Occupational Exposure to Wood Preservation Chemicals.
Search the world's most comprehensive index of full-text books. My library. Importance, benefits and economics of wood preservation Wood preservation, in its widest sense implies the protection of wood against any factor whatsoever that may damage and ultimately destroy it. However, timber preservation in a practical sense refers to the improve ment of woods' natural durability by treatment with. Many commonly used wood species can deteriorate if ex-posed to conditions that support growth of wood-degrading organisms (see Chap. 14). Wood products can be protected from the attack of decay fungi, harmful insects, or marine borers by applying chemical preservatives. Preservative treatments greatly increase the life of wood structures, thus. BS Specification for coal tar creosote for wood preservation ; BS EN Wood preservatives. Creosote and creosoted timber. Methods of sampling and analysis. Determination of the water-extractable phenols content of creosote.