How to use separatory funnel?

The main purpose of the separatory funnel:

①Separate two liquids that are stratified and do not react

②Extract a certain component from the solution

③Wash the product with water or alkali or acid

④ Replace the dropping funnel and add reagents dropwise

Points to note when using the separatory funnel:

① Leaks must be checked before use

②Do not hold the lower port of the separatory funnel by hand

③During the operation, hold the funnel with your right hand, hold the glass stopper at the top of the funnel with your index finger, hold the piston part of the funnel with your left hand, press the piston with your index finger, gently shake the funnel up and down, and turn the funnel upside down every few seconds. With the cock facing upwards, carefully open the cock to balance the internal and external pressures, repeat the operation 2-3 times, and then shake for a considerable period of time to make the two immiscible liquids fully contact and improve the extraction efficiency; but if emulsification occurs due to vigorous shaking , The method of operation should be changed, and the funnel should be leveled and shaken back and forth

④Do not hold the separatory funnel with your hands to separate the liquid

⑤The piston can only be opened after the upper port plug is opened

⑥ The separatory funnel needs to be statically placed on the iron ring, and the lower layer of liquid can be discharged from the lower port after the solution is stratified

⑦The upper liquid must be poured out from the upper port, not from the lower port

⑧After using the separatory funnel, it should be cleaned immediately

Jiangsu Huida Medical Instruments  is a manufacturing enterprise specialized in providing separatory funnel. The company sets research and development, production, sales and after-sales service as one, to provide customers with separatory funnel. After years of development, the company has been adhering to the “customer first, excellence” business philosophy, adhere to the “customer first” principle to provide our customers with quality services.