Pharmaceutical Review, Том 23Pharmaceutical Review Publishing Company, 1905 |
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Страница 176
... extracted , most drug are readily exhausted when not so finely powdered and , since it is not an easy matter to reduce certain drugs to so fine a powder it should be directed only when there is real need for it as in golden seal . Air ...
... extracted , most drug are readily exhausted when not so finely powdered and , since it is not an easy matter to reduce certain drugs to so fine a powder it should be directed only when there is real need for it as in golden seal . Air ...
Страница 178
... extracted alkaloids and can only be re- moved if the alkaloids are dried thoroughly at 100 ° C. If ammonia water is to be used it should be freed from pyridine by shaking with chloroform . For belladonna leaves he directs to mix the dry ...
... extracted alkaloids and can only be re- moved if the alkaloids are dried thoroughly at 100 ° C. If ammonia water is to be used it should be freed from pyridine by shaking with chloroform . For belladonna leaves he directs to mix the dry ...
Страница 179
... extraction is rejected , else it is added to the first extraction and the ether extracted with several portions of water and this also added to the first extraction . The excess of acid is then determined and from the difference the ...
... extraction is rejected , else it is added to the first extraction and the ether extracted with several portions of water and this also added to the first extraction . The excess of acid is then determined and from the difference the ...
Страница 180
... extracted with ether to remove resinous matter , then made alkaline with ammonia and extracted with ether - chloroform , the sol- vent distilled off , the residue when dried and weighed indicated 6.565 , 6.5000 and 6.460 % . From a ...
... extracted with ether to remove resinous matter , then made alkaline with ammonia and extracted with ether - chloroform , the sol- vent distilled off , the residue when dried and weighed indicated 6.565 , 6.5000 and 6.460 % . From a ...
Страница 181
... extracted with chloroform . After distilling off the chloro- form , the residue is dried at 100 ° C. and weighed ... extraction of the drug . He finds that , no matter whether acetic acid or sodium acetate be used , the precipitation is ...
... extracted with chloroform . After distilling off the chloro- form , the residue is dried at 100 ° C. and weighed ... extraction of the drug . He finds that , no matter whether acetic acid or sodium acetate be used , the precipitation is ...
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95 degrees acetanilide acetic adulteration aldehyde alkali alkaloid ammonia aqueous arsenic trioxide atom B-homochelidonine base Berlin boiling bromine caffeine CASPARI cent chelidonine Chem chemical Chemistry Chicago chloride chloroform Citral COCAINE College of Pharmacy color compound contains cotarnine crystalline crystals dissolved distilled dried at 95 drug Druggists EDWARD KREMERS ester ether Euphorbiaceae evaporated extracted flask formula heating hydrochloric acid illus iodine iodomethylate J. O. SCHLOTTERBECK laboratory LARGE GOLD MEDAL liquid Manufacturer medicine melting methebenine method methyl methyliodide mixture molecule morphine obtained Oil of Guaiac Open Court oxidation papaverine Patents Phar Pharm PHARMACEUTICAL REVIEW pharmacist Pharmacognosy Pharmacopoeia pinene plant potassium powdered precipitate prepared present Price Professor reaction Regal residue dried root salt sample Schimmel School of Pharmacy Science scientific Section sodium bicarbonate sodium hydroxide soluble solution solvent sparteine substance sulphuric acid temperature tion titrated Vienna Prof volatile weight York
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