 | Torald Hermann Sollmann - 1901 - 952 pages
...obtained. Then carefully transfer the moist opium back to the bottle by means of a spatula, add 50 cc of water, agitate thoroughly and repeatedly during fifteen...filtrate measures 150 cc, and finally collect about 2O cc of a third filtrate. The purpose of these repeated washings is to remove the extract which is... | |
 | United States. Bureau of Chemistry - 1906 - 1020 pages
...transfer the moist opium back to the flask by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during fifteen minutes,...return the whole to the filter. When the liquid has been drained off, wash the residue as before, until the second filtrate measures 150 cc, and finally... | |
 | 1907 - 844 pages
...the moist Opium back to the flask by means of a spatula, add 50 Cc. of distilled water, agitate it thoroughly and repeatedly during fifteen minutes,...collect about 20 Cc. more of a third filtrate. Evaporate carefullv in a tared dish, first, the second filtrate to a small volume, then add the first filtrate,... | |
 | United States. Bureau of Chemistry - 1908 - 300 pages
...transfer the moist opium back to the flask by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during fifteen minutes,...return the whole to the filter. When the liquid has been drained off, wash the residue as before, until the second filtrate measures 150 cc, and finally... | |
 | Association of Official Analytical Chemists. Committee on Revision of Methods - 1910 - 304 pages
...transfer the moist opium back to the flask by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during fifteen minutes,...return the whole to the filter. When the liquid has been drained off, wash the residue as before, until the second filtrate measures 150 cc, and finally... | |
 | Alfred Henry Allen - 1912 - 750 pages
...by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during 15 minutes, and return the whole to the filter. When...collect about 20 cc more of a third filtrate. Evaporate carefully in a tared dish, first, the second filtrate to a small volume, then add the first filtrate,... | |
 | Alfred Henry Allen - 1912 - 760 pages
...by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during 15 minutes, and return the whole to the filter. When...collect about 20 cc more of a third filtrate. Evaporate carefully in a tared dish, first, the second filtrate to a small volume, then add the first filtrate,... | |
 | Alfred Henry Allen - 1912 - 752 pages
...by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during 15 minutes, and return the whole to the filter. When...collect about 20 cc more of a third filtrate. Evaporate carefully in a tared dish, first, the second filtrate to a small volume, then add the first filtrate,... | |
 | Alfred Henry Allen - 1912 - 756 pages
...by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during 15 minutes, and return the whole to the filter. When...collect about 20 cc more of a third filtrate. Evaporate carefully in a tared dish, first, the second filtrate to a small volume, then add the first filtrate,... | |
 | Alfred Henry Allen - 1912 - 752 pages
...by means of a spatula, add 50 cc of distilled water, agitate it thoroughly and repeatedly during 15 minutes, and return the whole to the filter. When...collect about 20 cc more of a third filtrate. Evaporate carefully in a tared dish, first, the second filtrate to a small volume, then add the first filtrate,... | |
| |
... minutes, and return the whole to the filter. When the liquid has drained off, wash the residue, as before, until the second filtrate measures 150 cc, and finally collect about 20 cc more of a third filtrate. Evaporate... 
