Isolation of agarose and granulation of agar and agarose gel

A method has been developed for the isolation of agarose from “Difco” bactagar by means of ammonium sulphate and acetone. A modification of Philipson's method was used for granulation of agar and agarose. A sprayer with removable discs allows one to prepare bead-shaped granules of any size required at gel concentrations of 2–7%. The method may be a highly effective laboratory technique.