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GLYCERIN, GLYCERINE

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Originally appearing in Volume V12, Page 146 of the 1911 Encyclopedia Britannica.
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GLYCERIN, GLYCERINE or GLYCEROL (in See also:pharmacy Glycerinum) (from Gr. y)uK('s, sweet), a trihydric See also:alcohol; trihydroxypropane, See also:C3H5(OH)3. It is obtainable from most natural fatty bodies by the See also:action of alkalis and similar reagents, whereby the fats are decomposed, See also:water being taken up, and glycerin being formed together with the alkaline See also:salt of some particular See also:acid (varying with the nature of the See also:fat). Owing to their See also:possession of this See also:common See also:property, these natural fatty bodies and various artificial derivatives of glycerin, which behave in the same way when treated with alkalis, are known as glycerides. In the See also:ordinary See also:process of See also:soap-making the glycerin remains dissolved in the aqueous liquors from which the soap is separated. Glycerin was discovered in 1779 by K. W. See also:Scheele and named Olsuss (principe dour See also:des hulks—Sweet principle of See also:oils), and more fully investigated subsequently by M. E. See also:Chevreul, who named it glycerin, M. P. E.

End of Article: GLYCERIN, GLYCERINE

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