Sawtooth, treatable volume 1 to 100 ml, max rpm of motor unit are 22, 000, applications: homogenization of organic substances, such as cell tissue, resins and pigments in liquid media. Extraction catalyzation of chemical reactions from start to finish. Preparation of suspensions and emulsions., pulse-frequency in cycles per second approx max 7, 300; suggested vessels are test tubes, bottles, ampules with a inside diameter of 12.5 mm