American Journal of Pharmacy, Volume 61Philadelphia College of Pharmacy and Science., 1889 |
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Halaman 6
... temperature of 110 ° C. lost ten per cent . , and when incinerated left 10 per cent . of ash . Fifty grams of the powdered leaves were placed in a flask , covered with petroleum spirit and , after maceration , exhausted ; five per cent ...
... temperature of 110 ° C. lost ten per cent . , and when incinerated left 10 per cent . of ash . Fifty grams of the powdered leaves were placed in a flask , covered with petroleum spirit and , after maceration , exhausted ; five per cent ...
Halaman 24
... temperature if a series of observations are to be made . The temperature of 17.5 ° degrees will be found most convenient . The difference between the two specific gravities is then multiplied by 400 , and the product gives the number of ...
... temperature if a series of observations are to be made . The temperature of 17.5 ° degrees will be found most convenient . The difference between the two specific gravities is then multiplied by 400 , and the product gives the number of ...
Halaman 26
... temperature of 75 ° to 78 ° . A similar color is produced by hippuric acid , but at a tem- perature of 105 ° to 108 ° . It is , therefore , incorrect to assert that only inorganic acids produce the red color , and that Gunzburg's solu ...
... temperature of 75 ° to 78 ° . A similar color is produced by hippuric acid , but at a tem- perature of 105 ° to 108 ° . It is , therefore , incorrect to assert that only inorganic acids produce the red color , and that Gunzburg's solu ...
Halaman 27
... temperature a current of carbon dioxide is necessary to effect its entire expulsion . It is chiefly for these reasons that chemists in general have long since abandoned the method of directly weighing the antimony sulphide , and yet the ...
... temperature a current of carbon dioxide is necessary to effect its entire expulsion . It is chiefly for these reasons that chemists in general have long since abandoned the method of directly weighing the antimony sulphide , and yet the ...
Halaman 31
... ° . This result is probably in agreement with that ob- tained by Krecke at 25 ° C. , since it is known that an increase of temperature causes a decrease in the specific rotation of this " 31 . } Chemical Observations on Tartar Emetic .
... ° . This result is probably in agreement with that ob- tained by Krecke at 25 ° C. , since it is known that an increase of temperature causes a decrease in the specific rotation of this " 31 . } Chemical Observations on Tartar Emetic .
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acetic acid added adulterated alcohol alkaline alkaloid ammonia ammonium aqueous solution bark boiling bromine brown calcium carbonate cent Chem chemical chloride chloroform colorless compound containing crystals decomposed dilute dissolved distilled doses dried drug ether evaporated examined extract ferric ferric chloride filter filtrate formula gives glycerin grain grams H₂O heat hydrate hydrochloric acid hypophosphite hypophosphorous acid insoluble iodide iodine Jour liquid Maisch Medical melting mercuric chloride mercury method mixture neutral nitrate nitric acid obtained odor officinal oleate oleic acid oxalic oxalic acid oxide paper Pennsylvania pepsin percolator petroleum ether Phar Pharm Pharmaceutical Association pharmacists Pharmacopoeia Pharmacy Philada Philadelphia plant portion potassium powder precipitate prepared present Prof pure reaction residue resin root salicylic salt samples small quantity sodium soluble specific gravity starch substance sugar sulphate sulphuric acid syrup tannin tartaric temperature tincture tion washed yellow yield