A separatory funnel, , separation funnel, separating funnel, or colloquially funnel, is a laboratory glassware used in liquid-to -liquid abstraction to dispersed components of liquid mixture into 2 immiscible solvent of different thicknesses such as Oil and Water.
A glass separatory funnel, also known as separation funnel, is used in liquid-liquid extractions to separate the components of a mixture between two immiscible solvent phases of different densities.