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Oleoresins are semi-solid extracts composed of resin and essential or fatty oil, obtained by evaporation of the solvents used for their production. [1] The oleoresin of conifers is known as crude turpentine or gum turpentine , which consists of oil of turpentine and rosin .
The term gum turpentine may also refer to crude turpentine, which may cause some confusion. 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 of turpentine obtained from pine gum (oleoresin) Topics referred to by the same term This disambiguation page lists articles associated with the title Gum turpentine .
Aqua fortis /spirit of nitre – nitric acid, formed by 2 parts saltpetre in 1 part (pure) oil of vitriol (sulfuric acid). (Historically, this process could not have been used, as 98% oil of vitriol was not available.) Aqua ragia /spirit of turpentine/oil of turpentine/gum turpentine – turpentine, formed by the distillation of pine tree resin.
Myrrh is harvested by repeatedly wounding the trees to bleed the gum, which is waxy and coagulates quickly. After the harvest, the gum becomes hard and glossy. The gum is yellowish and may be either clear or opaque. It darkens deeply as it ages, and white streaks emerge. [3] Myrrh gum is commonly harvested from trees of the genus Commiphara.
Norwegian Cruise Line Holdings is planning $300 million of savings through 2026 amid record demand for cruise travel as it consolidates back-office activity through the use of low-cost technology.
Pine tar is combined with gum turpentine and boiled linseed oil to create a wood preservative. First, a thin coat is applied using a mixture with a greater proportion of turpentine. This allows it to permeate deeper into the oakum and fibre of the wood and lets the tar seep into any pinholes and larger gaps that might be in the planks. The tar ...
CHART #3: SIDE-BY-SIDE COMPARISON OF LEADING REPUBLICAN CANDIDATESÕ HEALTH PLANS By Susan J. Blumenthal, M.D., Jessica B. Rubin, Michelle E. Treseler, Jefferson Lin, and David Mattos* Rudy Giuliani Mike Huckabee John McCain Mitt Romney Tommy Thompson Stated Goals for Coverage ! Proposes shifting millions of Americans from employer-based