GUTTA PERCHA

(Lat.), n. f. See GUTTA-PERCHA. G. p. alba [Swed. Ph.], G. p. depurata [Ger. Ph., 1st ed., Ru . Ph.]. White g.-p., g.-p. purified by being softened in hot water, cut into pieces, then di olved in chloroform, carbon disulphide, or benzene, and then separated from the insoluble constituent-. [B, 95.] Cf. Liquor G.-PERCH.ffi. Liquor g. p. [Br. Ph.]. See Liquor G.-PERCHA. GUTTA-PERCHA [U. S. Ph.] (Lat.), n. f. GuH(gu4t -ta3-pu*r- (pe2r)'cha3. From Mai., gut ah, gatta, gum, and pertja, the tree furnishing g.-p. Fr., g.-p. [Fr. Cod.]. Ger.,Gutta perch a. It., guttaperca. Sp.,gut a-perch a,go mage tan i a[Sp.Yh.]. Syn.: Gutta perch a [Br. Ph., Dan. Ph., Hung. Ph.], perch a lamellata. The concrete juice of the Sapotaceae, especially that of Isonandra gutta. It is of a dull whitish color and feeble odor, tastele , hard, and very tenacious, softening by heat, insoluble in water, in alcohol, and in weak acids, soluble in oil of turpentine, in carbon disulphide, in chloroform, in benzene, and in benzin. It is employed in surgery for splints, catheters, etc., in solution, to finish a protective covering or abrasions of the skin: and in dentistry for plugging cavities in the teeth, etc. Chemically, it consists or a hydrocarbon (see GUTTA (8th def.), alb an, fluavil, a volatile oil, coloring matter, and fat. [B, 5, 77 (a, 24); B, 95, 270.] G.-p. depurata. See G. P. depurata. G.-p. paper, G.-p. ti ue. Ger., Gutta per chap a pier. G.-p. rolled into thin, translucent, very flexible sheets; used as a protective against evaporation, and a water-proof covering in surgical dre ings. [B.] G.-p. tree. See the major list. -Liquor guttaperchae [U. S. Ph.]. Syn.: liquor gutta perch a [Br. Ph.J. tra itmaticinum [Hung. Ph., 1st ed.]. A solution of g.-p. in chloroform (commercial chloroform [U. S. Ph.]), 100 parts of the solution containing 9 [U. S. Ph.], or 8 parts [Br. Ph., Hung. Ph.]. The U. S. Ph. and Br. Ph. order the solution to be shaken with white lead and then poured off. [B. 95.] Mastic a la g.-p. (Fr.). Syn.: come artificielle. A molten mixture of 2 parts of g.-p. and 1 part of ammoriiacum; used for closing up cracks in horses' hoofs, etc. [B, 92.] Pure white g.-p. See GUTTA PERCHA depurata. Solution of g.-p. See Liquor gutta-perchce. White g.-p. See GUTTA PERCHA depurata. [s. 256]