| Main Title |
Kilometer Pathlength Fourier-Transform Infrared System for the Study of Trace Pollutants in Ambient and Synthetic Atmospheres. |
| Author |
Tuazon, E. C. ;
Graham, R. A. ;
Winer, A. M. ;
Easton, R. R. ;
Hanst, P. L. ;
|
| CORP Author |
Environmental Sciences Research Lab., Research Triangle Park, NC. ;California Univ., Riverside. |
| Year Published |
1978 |
| Report Number |
EPA/600/J-78/131; |
| Stock Number |
PB-299 400 |
| Additional Subjects |
Air pollution ;
Trace elements ;
Infrared spectroscopy ;
Smog ;
Design ;
Field tests ;
Concentration(Composition) ;
Formaldehyde ;
Nitric acid ;
Formic acid ;
Ammonia ;
Ozone ;
Test chambers ;
Nitrogen organic compounds ;
Reprints ;
Fourier transform spectroscopy ;
Long path optical measurement ;
Riverside(California) ;
Peroxyacetyl nitrate
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB-299 400 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
14p |
| Abstract |
A Fourier-transform infrared system, operable at pathlengths up to 2 km, has been constructed for the detection and measurement of trace contaminants in the ambient atmosphere and in controlled smog formation studies. The long optical path is achieved by the use of an eight-mirror multiple reflection cell with a 22.5-m base path. The design, construction, and use of this novel folded-path optical system are described in detail. In preliminary ambient air measurements at Riverside, California, during the period August-October, 1976, ppb concentrations of formaldehyde, nitric acid, formic acid and ammonia (in addition to O3 and PAN) were measured in ambient air. |
| Supplementary Notes |
Pub. in Atmospheric Environment, v12 n4 p865-875 1978. Prepared in cooperation with California Univ., Riverside. |
| NTIS Title Notes |
Journal article. |
| Title Annotations |
Reprint: A Kilometer Pathlength Fourier-Transform Infrared System for the Study of Trace Pollutants in Ambient and Synthetic Atmospheres. |
| PUB Date Free Form |
1978 |
| Category Codes |
13B; 68A |
| NTIS Prices |
PC A02/MF A01 |
| Primary Description |
600/09 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
323767385 |
| Origin |
NTIS |
| Type |
CAT |
