It's used in the laboratory liquid-liquid extractions to separate (partition) the components of a mixture into two immiscible solvent phases of different densities
It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle.
Available in different sizes: 10ml, 15ml, 20ml, 30ml, 40ml, 50ml, 100ml
