Accession Number : ADD006710

Title :   Sorption Tube Atmospheric Sampling System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Conkle ,James P ; Lackey ,William W ; Martin,Charles L

Report Date : 16 Oct 1979

Pagination or Media Count : 6

Abstract : The invention concerns a sorption tube atmospheric sampling system having a sorption tube, a vacuum pump and a flow meter. The sorption tube is made of a hollow elongated tubular-shaped element of rigid, non-corrosive material having a pair of mesh filters located at each end thereof and the sorbent material located therebetween. After the sampling operation has been completed, analysis of the collected pollutants within the sorption tube is accomplished by means of a conventional gas chromatography-mass spectrometry analysis in which Helium is passed through the sorption tube while the tube is located within a uniquely designed thermal desorption block. The desorption block is configurated so as to encompass the sorption tube during utilization thereof. As a result, it is now possible to utilize the same sorption tube for both the sampling and desorption operation.

Descriptors :   *Patents, *Atmospheric sounding, *Flowmeters, *Air pollution, Vacuum pumps, Pollutants, Measuring instruments, Air quality, Sampling, Tubes, Sorption

Subject Categories : Atmospheric Physics
      Test Facilities, Equipment and Methods
      Air Pollution and Control

Distribution Statement : APPROVED FOR PUBLIC RELEASE