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Main Title Apparent Reaction Products Desorbed from Tenax Used to Sample Ambient Air.
Author Walling, J. F. ; Bumgarner, J. E. ; Driscoll, D. J. ; Morris, C. M. ; Riley, A. E. ;
CORP Author Environmental Monitoring Systems Lab., Research Triangle Park, NC.
Year Published 1986
Report Number EPA/600/J-86/001;
Stock Number PB86-176005
Additional Subjects Trace elements ; Chemical analysis ; Sorbents ; Air pollution ; Sampling ; Reprints ; Air pollution detection
Library Call Number Additional Info Location Last
NTIS  PB86-176005 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 9p
Abstract Ambient air was sampled using distributed air volume sets of tandem Tenax beds at several locations. Apparent concentrations at some sites were ill behaved. Significant amounts of materials sometimes appeared on back beds where that would not be expected from retention volume estimates. Contamination and operating errors cannot explain the observations. Unidentified chemical reactions during sampling and/or thermal desorption are implicated. Reactions observed or reported in laboratory situations during simulated sampling or thermal desorption yield products of the kinds observed in these atmospheric samples.
Supplementary Notes Pub. in Atmospheric Environment, v20 n1 p51-57 1986.
NTIS Title Notes Journal article.
Title Annotations Reprint: Apparent Reaction Products Desorbed from Tenax Used to Sample Ambient Air.
PUB Date Free Form 1986
Category Codes 7D; 68A; 99A
NTIS Prices PC A02/MF A01
Primary Description 600/08
Document Type NT
Cataloging Source NTIS/MT
Control Number 612924381
Origin NTIS
Type CAT