Centrifugation involves the use of the centrifugal force for the separation of mixtures.:

After washing textile, green salad, etc., to remove part of the water.

In chemistry, increasing the effective gravitational force on the test tube so as to more rapidly and completely cause the precipitate to gather on the bottom on the tube. The solution is then either quickly decanted from the tube without disturbing the precipitate or withdrawn by means of a medicine dropper.