| Charles Frederick Heebner - 1887 - 464 pages
...limit of 10 to 30 drops per minute. The rate is about 60 drops per minute with large manufacturers. To begin percolation, the rubber tube is lowered and...bottle previously marked for the quantity of liquid required for the product. The rapidity may be increased or lessened by raising or lowering the receptacle,... | |
| Samuel Otway Lewis Potter - 1893 - 834 pages
...accurately fitting disk of filtering paper, or other suitable material, and a sufficient quantity of menstruum poured on through a funnel reaching nearly...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... | |
| Virgil Coblentz - 1894 - 514 pages
...level in the percolator, which is now closely covered to prevent evaporation. The apparatus is then allowed to stand at rest for the time specified in...liquid to be percolated, if the percolate is to be Flo. 304. measured, or of a tared bottle, if the percolate is to be weighed; and by raising or lowering... | |
| Charles Caspari - 1895 - 724 pages
...level in the percolator, which is now closely covered to prevent evaporation. The apparatus is then allowed to stand at rest for the time specified in...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
...powder equally : the percolator is now closely covered to prevent evaporation. The apparatus is then allowed to stand at rest for the time specified in the formula [usually for forty-eight hours]." The following typical formula from the United .States Pharmacopeeia... | |
| John Vietch Shoemaker - 1898 - 1134 pages
...level in the percolator, which is now closely covered to prevent evaporation. The apparatus is then allowed to stand at rest for the time specified in...percolated, if the percolate is to be measured, or of a tired bottle if the percolate is to be weighed ; and, by raising or lowering this receiver, the rapidity... | |
| 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... | |
| Frank Edward Stewart - 1906 - 202 pages
...level in the percolator, which is now closely covered to prevent evaporation. The apparatus is then allowed to stand at rest for the time specified in...previously marked for the quantity of liquid to be received, if the percolate is to be measured, or of a tared bottle if the percolate is to be weighed;... | |
| Charles Caspari - 1906 - 814 pages
...level in the percolator, which is now closely covered to prevent evaporation. The apparatus is then allowed to stand at rest for the time specified in...previously marked for the quantity of liquid to be received, if the percolate is to be measured, or of a tared bottle if the percolate is to be weighed... | |
| Charles Caspari - 1906 - 842 pages
...which is now closely covered toprevent evaporation. The apparatus is then allowed to stand at rest ibr the time specified in the formula. "To begin percolation,...previously marked for the quantity of liquid to be received, if the percolate is to be measured, or of a tared bottle if the percolate is to be weighed... | |
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