American journal of pharmacy . rst amorphous, but after anhour or two are easily recognized it^ crystals. For the separation of thymol by means (?f caustic .^^oda it is iieces- 460 GhcDiingH in Materia Medica. f Am. Sept., 1882 saiy to distil the oil, collecting the fraction up to 220°C., and treatingthe residue with hot soda lye. Or 2 volumes of the colorless oil are dissolved in 6 volumes ofether; add to this solution 1 volume of concentrated sulphuric acid,drop bv drop, so as to avoid heating, agitate the mixture and set should rapidly separate into two equal layers,
American journal of pharmacy . rst amorphous, but after anhour or two are easily recognized it^ crystals. For the separation of thymol by means (?f caustic .^^oda it is iieces- 460 GhcDiingH in Materia Medica. f Am. Sept., 1882 saiy to distil the oil, collecting the fraction up to 220°C., and treatingthe residue with hot soda lye. Or 2 volumes of the colorless oil are dissolved in 6 volumes ofether; add to this solution 1 volume of concentrated sulphuric acid,drop bv drop, so as to avoid heating, agitate the mixture and set should rapidly separate into two equal layers, of Avhich the upperone is but little colored, while the lower one is deep red. Should theoil contain little thymol, the mixture separates slowly, and the lowerlaver is mostlv more than one-half, and instead of beino; red is merelvpale yellow or reddish-yellow.—Phar. CcntraJh., 1882, Xo. 27. Monardd fisfnlosa, Li)L; Wild Bergamot.—The leaves have a pro-minent midrib and secondary nerves, the latter anastomosing: near the.
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Keywords: ., bookcentury1800, bookdecade182, booksubjectpharmacy, bookyear1829
