Thermal desorption techniques for gas chromatographic anaylsis of particulate matter

Journal Article · Sat Dec 31 23:00:00 EST 1983 · Anal. Lett.; (United States)

DOI:https://doi.org/10.1080/00032718408065269· OSTI ID:7119788

Kopczynski, S L

Polycyclic aromatic hydrocarbons are extracted from atmospheric particulate samples with a thermal desorption technique that circumvents the need for lengthy solvent extraction procedures prior to gas chromatographic analysis. The polycyclic aromatic hydrocarbons are extracted by vacuum-sublimation and collected in a cold trap. The sublimated species are then cryogenically focused at the head of a fused silica capillary column by a thermal purging technique and subsequently analyzed. The technique is applicable to screening tests for selected polycyclic aromatic hydrocarbons when used with a sufficiently specific detector, and has the advantages of simplicity and low cost. 6 figures.

• Research Organization: Environmental Protection Agency, Research Triangle Park, NC
• OSTI ID: 7119788
• Journal Information: Anal. Lett.; (United States), Journal Name: Anal. Lett.; (United States) Vol. 17:A2; ISSN ANALB
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR
AIR POLLUTION
AROMATICS
CHALCOGENIDES
CHEMICAL ANALYSIS
CHROMATOGRAPHY
COLD TRAPS
CONDENSERS
DATA
EFFICIENCY
EVAPORATION
EXPERIMENTAL DATA
FEASIBILITY STUDIES
FLUIDS
GAS CHROMATOGRAPHY
GASES
HYDROCARBONS
INFORMATION
MINERALS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PARTICLES
PARTICULATES
PHASE TRANSFORMATIONS
POLLUTION
POLYCYCLIC AROMATIC HYDROCARBONS
QUANTITATIVE CHEMICAL ANALYSIS
SEPARATION PROCESSES
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SUBLIMATION
TRAPS
VAPOR CONDENSERS