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100.029.417. Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal. [ 2][ 3] It is a type of creosote. It has both medical and industrial uses. [ 2][ 4] Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis (dandruff). [ 5]
Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from coal, wood, petroleum, or peat. [ 1] Mineral products resembling tar can be produced from fossil hydrocarbons, such as petroleum.
Created by William Valentine Wright in 1860, Wright's Coal Tar Soap is a British brand of antiseptic soap designed to thoroughly cleanse the skin. It is an orange colour. For over 150 years, Wright’s Coal Tar Soap was a popular brand of household soap; its successor, Wright’s Traditional Soap, can still be bought in supermarkets and from ...
Charcoal. Charcoal is a lightweight black carbon residue produced by strongly heating wood (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. In the traditional version of this pyrolysis process, called charcoal burning, often by forming a charcoal kiln, the heat is supplied by burning part of ...
World War I. The claim that Germans used the fat from human corpses to make products, including soap, was made during World War I. This allegation appears to have originated as a rumor which was spread by the British and Belgian media. The first recorded reference was made in 1915 when Cynthia Asquith noted in her diary (16 June 1915): "We ...
Saponification is a process of cleaving esters into carboxylate salts and alcohols by the action of aqueous alkali. Typically aqueous sodium hydroxide solutions are used. [ 1][ 2] It is an important type of alkaline hydrolysis. When the carboxylate is long chain, its salt is called a soap. The saponification of ethyl acetate gives sodium ...
The term creosote has a broad range of definitions depending on the origin of the coal tar oil and end-use of the material. With respect to wood preservatives, the United States Environmental Protection Agency (EPA) considers the term creosote to mean a pesticide for use as a wood preservative meeting the American Wood Protection Association (AWPA) Standards P1/P13 and P2. [6]
Glycerin soap. Glycerin soaps are soaps that contain glycerol, a component of fat or oil. They are recognizably different from other soaps because they are translucent. The clarity is due to the alignment of the soap molecules, which can be induced through the addition of alcohol and sugar. This is usually done for homemade glycerin soaps that ...
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