abstract:Sorbent tubes are the most widely used collection media for sampling hazardous gases and vapors in air, mostly as it relates to Industrial hygiene. They were developed by the US National Institute for Occupational Safety and Health (NIOSH) for air quality testing of workers.
The adsorptionbedstructurefillingsorbent in tube and flowing heat transfermedia out oftube was designed and the correspondingmathematicalmodel was established.