Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Theoretical Evaluation of Stability of Volatile Organic Chemicals and Polar Volatile Organic Chemicals in Canisters.
Author Count., R. W. ;
CORP Author Battelle, Columbus, OH.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab.
Publisher 22 Sep 93
Year Published 1993
Report Number EPA-68-D0-0007; EPA/600/R-94/030;
Stock Number PB94-159902
Additional Subjects Air pollution sampling ; Organic compounds ; Adsorption isotherm ; Cans ; Mathematical models ; Computer programs ; Surface chemistry ; Chemical reactions ; Reaction kinetics ; Data bases ; Physicochemical properties ; Chemisorption ; Chemical stabilization ; VOCs(Volatile organic compounds) ; PVOCs(Polar volatile organic compounds)
Library Call Number Additional Info Location Last
NTIS  PB94-159902 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 09/01/1994
Collation 68p
The potential for physical adsorption as a mechanism for loss of volatile organic chemicals (VOC) and polar volatile organic chemicals (PVOC) from the vapor phase in canister samples was assessed using the principles embodied in the Dubinin-Radushkevich isotherm. A computer-based model was developed for predicting adsorption behavior and vapor phase losses in multicomponent systems based on the potential for physical adsorption as well as the potential for dissolution in condensed water for samples collected at high humidities. At present, the data base for the model contains relevant physicochemical data for 78 compounds (including water), and provisions for inclusion of up to 120 additional compounds are incorporated in the software.