Document Detail


Validation tests of a new high uptake rate passive sampler for nitrogen dioxide measurements.
MedLine Citation:
PMID:  14977149     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study explains the main characteristics of a new passive sampler which is able to give reliable nitrogen dioxide measurements for short time sampling. The sampling rate was found to be on average 0.89 cm3 s(-1) for indoor sampling and 1.00 cm3 s(-1) for outdoor sampling. The detection limit was evaluated at 11 microg m(-3) for a one-hour measurement. In field conditions, the passive sampler measurements were in agreement with those of the chemiluminescent NOx monitors. Measurement uncertainties were estimated at 34% and 38% for laboratory tests in conditions corresponding respectively to indoor and outdoor measurements and were evaluated at 28 to 37% depending on the nitrogen dioxide concentration for field experiments. The effects of various factors on the passive sampler were determined in an exposure chamber. The sampling rate of the retained sampler version was not significantly influenced by wind speeds superior to 0.3 m s(-1). A decrease of the uptake rate is observed for high nitrogen dioxide doses. The sampling rate increases linearly with temperature (2% per degree C). The relative humidity has only a weak effect.
Authors:
A Piechocki-Minguy; H Plaisance; S Garcia-Fouqué; J C Galloo; R Guillermo
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Publication Detail:
Type:  Journal Article; Validation Studies    
Journal Detail:
Title:  Environmental technology     Volume:  24     ISSN:  0959-3330     ISO Abbreviation:  Environ Technol     Publication Date:  2003 Dec 
Date Detail:
Created Date:  2004-02-23     Completed Date:  2004-05-14     Revised Date:  2007-03-21    
Medline Journal Info:
Nlm Unique ID:  9884939     Medline TA:  Environ Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  1527-35     Citation Subset:  IM    
Affiliation:
Ecole des Mines de Douai, 941, rue Charles Bourseul, B.P. 838, 59508 DOUAI Cedex, France.
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MeSH Terms
Descriptor/Qualifier:
Air Pollutants / analysis*
Environmental Monitoring / instrumentation*
Humidity
Nitrogen Dioxide / analysis*
Oxidants, Photochemical / analysis*
Sensitivity and Specificity
Chemical
Reg. No./Substance:
0/Air Pollutants; 0/Oxidants, Photochemical; 10102-44-0/Nitrogen Dioxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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