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Rosin (/ ˈ r ɒ z ɪ n /), also known as colophony or Greek pitch (Latin: pix graeca), is a resinous material obtained from pine trees and other plants, mostly conifers. The primary components of rosin are diterpenoids, i.e., C 20 carboxylic acids. Rosin consists mainly of resin acids, especially abietic acid. [1]
Turpentine may alternatively be extracted from destructive distillation of pine wood, [3] such as shredded pine stumps, roots, and slash, using the light end of the heavy naphtha fraction (boiling between 90 and 115 °C or 195 and 240 °F) from a crude oil refinery. Such turpentine is called wood turpentine.
The physician Cadwallader Colden (1688–1776) extolled the virtues of pine resin steeped in water. This concoction also was called "tar water". [3] George Berkeley suggested that tar from pine or fir be stirred for three or four minutes with an equal quantity of water and the mixture allowed to stand for 48 hours. At this time, the separated ...
Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a more liquid substance derived from coal production, including coal tar, or from plants, as in pine tar. [2]
Pine tar is a form of wood tar produced by the high temperature carbonization of pine wood in anoxic conditions (dry distillation or destructive distillation). The wood is rapidly decomposed by applying heat and pressure in a closed container; the primary resulting products are charcoal and pine tar .
The strength of the scent after a wash and line dry surprised us. If you check the freshness of laundry by putting it to your nose, then HeySunday double-checks that box. It is kind of pricey ...
Natural resin is a complex composition of components such as resin acids, lignans and coumaric acid.The levels of these components are dependent on what type of coniferous tree resin it is and when it is collected i.e. fresh physiological resin or matured resin collected from trunk of the tree [4] In vitro studies have shown that natural resin is strongly antimicrobial against a broad spectrum ...
The holiday candle set includes Sapin, which has notes of Siberian pine, resin, cedar, and patchouli; Friandise, which smells like gingerbread, cinnamon, candied orange peel, and vanilla; and ...
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