Main Title |
Near Real-Time GC Analysis of Volatile Organic Compounds Using an On-Line Micro-Trap. |
Author |
Mitra, S. ;
Lai, H. H. ;
Jackson, M. ;
|
CORP Author |
New Jersey Inst. of Tech., Newark. Dept. of Chemical Engineering.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab. |
Publisher |
1993 |
Year Published |
1993 |
Report Number |
EPA-R815734; EPA/600/A-93/125; |
Stock Number |
PB93-204063 |
Additional Subjects |
Gas chromatography ;
Volatility ;
Organic compounds ;
Real time operation ;
Air pollution ;
Traps ;
Injection ;
VOC(Volatile organic compound)
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB93-204063 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
7p |
Abstract |
Micro-traps act as sample pre-concentrators for gas chromatography (GC) that can be used to make repetitive injections every few seconds. A thermal desorption micro-trap is made from a short segment of thin tubing containing an adsorbent or a chromatographic stationary phase. A carrier gas containing the analyte of interest can be introduced into the GC analytical column through the micro-trap which acts as a sample trap. Rapid heating of the micro-trap releases a 'concentration pulse' of the analyte that serves as a GC injection similar to that from an injection valve. Micro-traps can be used in various applications such as process stream analysis, fast and multi-input chromatography. |