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On Tic Douloureux

1832; Massachusetts Medical Society; Volume: 5; Issue: 25 Linguagem: Inglês

10.1056/nejm183201310052503

2331-4710

Henry Halford,

Obsessive-Compulsive Spectrum Disorders

tincture of galls it affords a precipitate soluble in alcohol, but insoluble in ammonia.It combines with acids and forms salts, which all pre- sent some shade of red, crimson or scarlet, of great intensity and beau- ty.The salts are soluble in water antl alcohol, and form red colored solutions of great beauty.The muriate and the acetate are peculiarly pungent and acrid.When ihe salts of sanguinarina, prepared with diluted acids, are decomposed by potassa, ammonia, lime or magne- sia, the vegeto-alkali is obtained in an unaltered state.But, if the salt has been prepared with concen- trated acid, the decomposition is not complete, but a dark purple precipitate is formed which appears to be a sub-salt.The experiments of Dr. Dana have been so far repeated as lo confirm his principal statements, of the characters of this new alkalino principle.The subject is one which merits further elucidation, and we wail with impatience for the publication of the researches oí Dr.