Main Title |
Analysis System for Total Sulfuric Acid in Ambient Air. Development and Preliminary Evaluation. |
Author |
Barden., James D. ;
|
CORP Author |
Versar, Inc., Springfield, VA.;Environmental Sciences Research Lab., Research Triangle Park, NC. Atmospheric Chemistry and Physics Div. |
Year Published |
1981 |
Report Number |
EPA-68-02-2465; EPA-600/2-81-013; |
Stock Number |
PB81-159139 |
Additional Subjects |
Sulfuric acid ;
Gas analysis ;
Chemical analysis ;
Air pollution ;
Sampling ;
Laboratory equipment ;
Air pollution detection
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB81-159139 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
69p |
Abstract |
A total sulfuric acid analysis (TSAA) system was developed and shown to provide quantitative determinations of sulfuric acid in air at concentrations as low as 0.26 micrograms/cu m. Quantitation at lower concentrations appears to be possible. The general approach in the design and development effort emphasized sample conditioning, rather than detector selectivity, to provide unambiguous detection. Separation of the acid from other sample components was accomplished by stagewise condensation and revaporization; therefore, particulate filters were not required. Effects of major potential interferences (SO2, NH3, and ammonium sulfates) apparently were eliminated by the addition of a small amount of hydrogen chloride to the sample. |
NTIS Title Notes |
Final rept.. |
PUB Date Free Form |
Feb 81 |
Category Codes |
7D; 68A; 99A |
NTIS Prices |
PC A04/MF A01 |
Primary Description |
600/09 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
323792487 |
Origin |
NTIS |
Type |
CAT |