gum-turpentine
gum-turpentine
gum-turpentine
gum-turpentine
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Turpentine

Turpentine, also called spirit of turpentine, oil of turpentine, wood turpentine or gum turpentine is a fluid obtained by the distillation of resin obtained from trees, mainly pine trees. It is composed of terpenes, mainly monoterpenes alpha-pinene and beta-pinene. It has a paint-like odour.

Turpentine is also used as a source of raw materials in the synthesis of fragrant chemical commercial compounds such as camphor, linalool, alpha-terpineol, and geraniol. These products are usually produced from alpha-pinene and beta-pinene, two of the chief chemical components of turpentine.

Manufacturing Process

Turpentine oil is generally produced in countries with extensive number of pine trees. Turpentines from Europe are derived from the cluster pine (P. pinaster) and the Scotch pine (P. sylvestris), whereas the turpentines from the United States are derived from the longleaf pine (P. palustris) and the slash pine (P. caribaea).

Turpentine oil is classified according to the way it is produced. Sulfate turpentine, used widely in the chemicals industry, is obtained as a by-product of the kraft when wood pulp is cooked during the course of kraft paper manufacture. Wood turpentine is obtained by the steam distillation of shredded bits of dead pine wood, while gum turpentine results from the distillation of the exudate of the living pine tree obtained by tapping. Tapping the live pine tree would yield crude turpentine that typically contains 65% gum rosin and 18% gum turpentine.