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Calibration of peroxyacetyl nitrate measurements with an NO/sub x/ analyzer

Journal Article · · Environ. Sci. Technol.; (United States)
DOI:https://doi.org/10.1021/es00154a014· OSTI ID:7167128
A method for the calibration of peroxyacetyl nitrate (PAN) measurements that uses an NO/sub x/ analyzer and can be applied in the field is described. The calibration range lies between 0.5 and 100 ppb, corresponding to the range of concentrations occurring in ambient air. The calibration procedure involves the entire apparatus, including sample intake lines and chromatographic equipment. Possible distortion due to byproducts originating during the synthesis of PAN is precluded by an integrated prepurification step. The method offers a useful alternative to existing procedures. It is verified through an independent procedure (ion chromatography). A system for automatic PAN measurement in the field is also described.
Research Organization:
Swiss Federal Institute of Forestry Research, Birmensdorf
OSTI ID:
7167128
Journal Information:
Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 20:12; ISSN ESTHA
Country of Publication:
United States
Language:
English