Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Experimental Design for Performance Measurements of C1 to C4 Carbonyls Using DNPH-Coated Silica Gel and C-18 Cartridges.
Author Kleindienst, T. E. ; Corse, E. W. ; Blanchard, F. T. ; Lonneman., W. A. ;
CORP Author ManTech Environmental Technology, Inc., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab.
Publisher 1994
Year Published 1994
Report Number EPA-68-DO-0106; EPA/600/A-94/165;
Stock Number PB94-210531
Additional Subjects Air pollution sampling ; Carbonyl compounds ; Adsorbents ; Experimental design ; Performance evaluation ; Phenylhydrazines ; Quality control ; Reproducibility ; Sensitivity ; Silica gel ; Ozone ; Atmospheric composition ; DNPH(2-4-Dinitrophenylhydrazine) ; Phenylhydrazine/2-4-dinitro ; Carbon 18 cartridge
Library Call Number Additional Info Location Last
NTIS  PB94-210531 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 11/11/1994
Collation 10p
Carbonyl compounds are important constituents in urban and global atmospheres. In urban atmospheres these compounds frequently serve to initiate photochemical smog and certainly sustain the chain reactions leading to ozone formation. Measurement of carbonyl compounds under atmospheric conditions requires techniques that are both sensitive and free of interferences. For low molecular-weight aldehydes and ketones derivatization techniques with 2,4-dinitrophenylhydrazine (DNPH) have been used with some frequency in recent times. In the study, DNPH coated on two of the most popular substrates (silica gel and c(18)) have been examined for measuring C(1) to C(4) carbonyl components found in the atmosphere. The study is designed to evaluate the sensitivity, reproducibility, and effect of interferences, particularly ozone, on carbonyl measurements using these systems.