Formulary for the preparation and mode of employing several new remedies : namely, morphine, iodine, quinine, cinchonine ... / with an introduction and copious notes, by the late Charles Thomas Haden ; translated from the 'Formulaire ... par F. Magendie. Troisième édition, 1822.'.

  • Magendie, François, 1783-1855.
Date:
1823
Catalogue details

Licence: Public Domain Mark

Credit: Formulary for the preparation and mode of employing several new remedies : namely, morphine, iodine, quinine, cinchonine ... / with an introduction and copious notes, by the late Charles Thomas Haden ; translated from the 'Formulaire ... par F. Magendie. Troisième édition, 1822.'. Source: Wellcome Collection.

    60/134 (page 38)
    PURE EMETINE. Emetine, as treated of in the preceding ar¬ ticle, is not in a state of purity. It is to pure emetine what moist sugar is to white and crys¬ tallized sugar. M. Pelletier, in a work, the che¬ mical part of which is not yet finished, shows how the active matter of the different species of ipecacuanha may be isolated. This matter is a new vegetable alkali, the principal cha¬ racters of which are as follows :— PREPARATION OF PURE EMETINE. * To obtain pure emetine, it is necessary to substitute calcined magnesia for the carbonate, used in the former process ;# a sufficient quantity of this base being added to take up the free acid which exists in the liquor, and unite with that which is combined with the emetine. The emetine, thus isolated, and rendered less 9 See above, page 32. 3