...imbibition, with filtering paper, and then by the application of a gentle heat. Characters and Tests. — Pale grey, amorphous, without smell, but, even in...leaving traces of an insoluble brown resinoid matter. Heated with access of air it melts into a yellow liquid, and at length burns away, leaving no residue....

...usually from Sabadilla. It may be obtained from the manufacturing chemists. Characters and Tests. — Pale grey, amorphous, without smell, but, even in...leaving traces of an insoluble brown resinoid matter. Heated with access of air it melts into a yellow liquid, and at length burns away, leaving no residue....

...imbibition with filtering paper, and then by the application of a gentle heat. Characters and Tests. — Pale grey, amorphous, without smell, but, even in...leaving traces of an insoluble brown resinoid matter. Heated with access of air it melts into a yellow liquid, and at length bums away, leaving no residue....

...test. CHARACTERS. — Pale grey, amorphous, inthout smell, but, even in the most minute (¡iKintity, powerfully irritating the nostrils; strongly and persistently bitter, and highly acrid; insoluble in water, and soluble in spirit and ether, i» diluted acids, leaving traces of an insoluble brown nsinoid matter....

...acid, of each a sufficiency ; purified animal charcoal, 60 gr. Characters and Tests. — Pale-grey, amorphous, without smell, but, even in the most minute...diluted acids, leaving traces of an insoluble brown resinous matter. Heated with access of air, it melts into a yellow liquid, and at length burns away,...

...charcoal, and reprecipitation by ammonium hydrate. It is not crystallizable. As met with in pharmacy, it is pale grey, amorphous, without smell, but, even in the most minute quantity, powerfully irritating to the nostrils ; strongly and persistently bitter, and highly acrid ; insoluble in water, soluble...

...obtained from it. The following are the characters and tests of the officinal Veratria: — Pale gray, amorphous, without smell, but, even in the most minute...persistently bitter, and highly acrid; insoluble in water, sparingly soluble in spirit and ether, but readily in diluted acids, leaving traces of an insoluble...

...precipitate first by imbibition with filtering paper, and then by the application of a gentle heat. Characters. — Pale grey, amorphous, without smell,...persistently bitter, and highly acrid ; insoluble in water, and soluble in spirit and ether, in diluted acids, leaving traces of an insoluble brown resinoid matter....

...charcoal, and reprecipitation by ammonium hydrate. It is not crystallizable. As met with in pharmacy, it is pale grey, amorphous, without smell, but, even in the most minute quantity, powerfully irritating to the nostrils ; strongly and persistently bitter, and highly acrid ; insoluble in water, soluble...

...Veratria. An alkaloid obtained, in a somewhat impure form, from Sabadilla. Characters and Tests. — Pale grey, amorphous, without smell, but, even in...the nostrils ; strongly and persistently bitter, and Mghly acrid ; insoluble in water, soluble in spirit, in ether, and in diluted acids, leaving traces...