||Gas chromatographic/Fourier transform infrared analysis of trace organics : feasibility of analysis after collection of organics on TENAX/GC sorbent cartridges /
Palmer, R. A. ;
Childers, J. W. ;
Smith, M. J.
||Duke Univ., Durham, NC. Dept. of Chemistry.;Environmental Monitoring Systems Lab., Research Triangle Park, NC.
|| U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory,
Gas chromatography. ;
Trace elements ;
Gas chromatography ;
Infrared spectroscopy ;
Chemical analysis ;
Air pollution ;
Organic compounds ;
Performance evaluation ;
Fourier transform spectroscopy ;
Volatile organic compounds ;
Air pollution detection ;
Tenax GC resins
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||61 pages : illustrations ; 28 cm
The combination of sorbent cartridge thermal desorption with capillary column GC/on-the-fly FTIR has been shown effective for the detection and identification of volatile organics in laboratory-generated mixtures, including the distinction between isomeric species, at the level of a few hundred nanograms per compound per cartridge. Traces of water desorbed from the cartridges must be reduced by the insertion of a dryer unit between the desorption chamber and the GC column. Methods of lowering the detection and identification limits to less than 100 micrograms per compound per cartridge are proposed.
Caption title. "October 1985." "EPA/600/4-85/066." Microfiche.