For medicinal purposes the commercial chromate is purified by solution in hot water, filtration, and recrystallisation.
The brew is prepared by the drip, or true percolator, method or by filtration.
He made use also of the processes of sublimation and filtration, and his works describe the water bath and the chemical oven.
In the homes, percolators and filtration devices are employed.
The factors influencing this removal are the rate of filtration, the effective size of the sand, and the temperature of the water.
Heat the solution and precipitate to the boiling point, and then wash the latter by decantation and filtration.
During the process of filtration the chicle is also sterilized, and comes from the machine as pure as distilled water.
It is obtained from the dry extract of the expressed juice, by solution in alcohol, filtration, and cautious evaporation.
Drainage, therefore, diminishes evaporation simply by removing the surplus snow and rain-water by filtration.
One of the easiest means of employing pressure in filtration is to increase the height of the column of the filtering liquid.
c.1600, perhaps from French filtration (1570s), noun of action from filter "to filter" (see filter (v.)).
filtration fil·tra·tion (fĭl-trā'shən)
The process of passing a liquid through a filter.
filtrate fil·trate (fĭl'trāt')
v. fil·trat·ed, fil·trat·ing, fil·trates
To put or go through a filter. n.
Material, especially liquid, that has passed through a filter.