 | Samuel Otway Lewis Potter - 1893 - 834 pages
...its level in the percolator, which is now closely covered to prevent evaporation, and the apparatus allowed to stand at rest for the time specified in...rubber tube is lowered and its glass end introduced imo the neck of a bottle previously marked for the quantity of liquid to be percolated, if the percolate... | |
 | Lucius Elmer Sayre - 1894 - 240 pages
...its level in the percolator, which is now closely covered to prevent evaporation, and the apparatus allowed to stand at rest for the time specified in the formula. The Manipulation of Percolation. — To begin percolation, the rubber tube is lowered and its glass... | |
 | Charles Caspari - 1895 - 724 pages
...menstruum poured on through a funnel reaching nearly to the surface of the paper. If these conditions are accurately observed the menstruum will penetrate the...tube is lowered and its glass end introduced into tlie neck of the bottle previously marked for tli quantity of liquid to be percolated, if the percolate... | |
 | Kanny Lall Dey - 1896 - 472 pages
...conditions be accurately observed, the menstruum will penetrate the powder equally : the percolator is now closely covered to prevent evaporation. The...stand at rest for the time specified in the formula [usually for forty-eight hours]." The following typical formula from the United .States Pharmacopeeia... | |
 | Charles Caspari - 1901 - 804 pages
...level in the percolator, which is now closely covered to prevent evaporation. The apparatus is tlien allowed to stand at rest for the time specified in...lowered and its glass end introduced into the neck of the bottle previously marked for tlie quantity of liquid to be percolated if the percolate is to be... | |
 | John Vietch Shoemaker - 1908 - 1290 pages
...level in the percolator, which is now closely covered to prevent evaporation. The apparatus ig th<?n allowed to stand at rest for the time specified in...percolation, the rubber tube is lowered and its glass end tntrodnced into the neck of a bottle previously marked for the quantity of liquid to be percolated,... | |
 | 1916 - 816 pages
...to prevent evaporation. The apparatus is then allowed to stand at rest for the time for maceration specified in the formula. To begin percolation, the...introduced into the neck of a bottle previously marked for a quantity of liquid to be received, if the percolate is to be measured, or of a tared bottle, if the... | |
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If these conditions be accurately observed, the menstruum will penetrate the powder equally until it has .passed into the rubber tube and has reached, in this, a height corresponding to its level in the percolator, which is now closely covered to prevent... 