Gas collecting tube

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A gas collecting tube is a glass tube with two stopcocks at each end, used to collect gases.


The gas collecting tube consists of a tubular container, made of borosilicate glass. At each end there is a well greased glass or PTFE stopcock. Some models have a side tube with a septum and plastic screw.


Gas collecting tubes can be bought from lab suppliers or online.


  • Determining the density of gases
  • Collecting and storing gases


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