The characterization gas collecting tube describes an oblong gas-tight container with one valve at either end. Usually such a container has a gauged volume, has a cylindrical shape and is made of glass. Gas collecting tubes are used for science-related purposes; for taking samples of gases.
Versions
Gas collecting tubes, made of glass, with 2 stopcocks with glass plugs, without septum as above, with septum with PTFE plug, without septum as above, with septum
References
External links Source of the notion "gas collecting tube", among others