Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title FT-IR Transmission Spectroscopy for Quantitation of Ammonium Bisulfate in Fine-Particulate Matter Collected on Teflon (Trade Name) Filters.
Author Krost, K. J. ; McClenny, W. A. ;
CORP Author Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Research and Exposure Assessment Lab.
Publisher Mar 94
Year Published 1994
Report Number EPA/600/J-94/358;
Stock Number PB94-209640
Additional Subjects Air pollution monitoring ; Infrared spectroscopy ; Ammonium sulfates ; Tetrafluoroethylene resins ; Filters ; Aerosols ; Absorption spectroscopy ; Nondestructive tests ; Quantitative analysis ; Reprints ;
Library Call Number Additional Info Location Last
NTIS  PB94-209640 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 11/11/1994
Collation 6p
A quantitative measurement method for fine particle bisulfate in ammonium bisulfate collected from the ambient air onto Teflon filters is described. Infrared absorbance measurements of the Teflon filters are made before and after particle collection. Subtraction of the two spectra reveals the absorbance spectrum of the particles. This method provides a specific, nondestructive, direct measurement of ammonium bisulfate. As such, the method has distinct advantages over indirect methods involving ion balance in solution.