ground glass stopper的意思|示意

'

Ground glass stopper, also known as a glass stopper, stopcock, etc., is widely used in the lab. It is a sealing device used to seal a certain container, usually with the containers of various volumetric or graduatin devices. Its cross-section is trapezoidal, and its special vent design makes it easy to open and close.

Ground glass stopper is widely used in the laboratory. It is mainly used as a sealing device for containers of various volumetric or graduated instruments. It is commonly used to seal containers such as volumetric flasks, measuring cylinders and beakers. In addition, it can also be used as a stopcock.

Ground glass stoppers are made of rubber and glass. The glass stopper has a trapezoidal cross-section, a smooth internal surface that is less likely to be damaged, and a vent design that makes it easy to open and close. The rubber stopper can be made of various shapes, with various sized holes that can be used for various purposes.

Ground glass stopper is widely used in the laboratory because of its good sealing performance, long service life and economic cost. When using, the glass bottle should be cleaned first, then the glass stopper and rubber stopper should be placed. Then, the ground glass stopper should be gently driven directly into the bottle opening. If it is too tight, it can be tapped with a small wooden stick to easily enter the bottle.

In a nutshell, ground glass stopper is a commonly used sealing device in the laboratory. When using it, pay attention to the size selection, use of the rubber stopper, and gentle insertion.