Annular diffusion denuder for simultaneous removal of gaseous organic compounds and air oxidants during sampling of carbonaceous aerosols.
作者： Pavel Mikuška , Zbyněk Večeřa , Anna Bartošíková , Willy Maenhaut
DOI: 10.1016/J.ACA.2011.11.054
关键词:
摘要: A specially designed annular diffusion denuder for simultaneous removal of organic gaseous compounds and atmospheric oxidants in carbonaceous aerosol sampling is presented. Various kinds coatings were compared with respect to the collection efficiency both NO(2) ozone. The optimum sorbent a mixture activated charcoal sulfite on molecular sieve. To ensure high over long-term field operation, two denuders are combined series. first half filled Na(2)SO(3) sieve (23 cm long layer) while second whole (the total length section 67 cm). At flow rate 16.6 L min(-1), better than 95%. Only small losses particles (<3.6% number concentration) observed size range 0.12-2.26 μm. compatible aerosols 47-mm diameter quartz fiber filters at min(-1). use this enables one sample without positive artefacts from volatile interferences oxidants. has been applied successfully during campaigns typically 1 month each urban forested sites Europe.
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Jana Sklenská, Anna Broškovičová, Zbyněk Večeřa, Wet effluent diffusion denuder technique and the determination of volatile organic compounds in air. II. Monoterpenes. Journal of Chromatography A. ,vol. 973, pp. 211- 216 ,(2002) , 10.1016/S0021-9673(02)01214-1
Barbara J. Finlayson-Pitts, James N. Pitts, Chemistry of the Upper and Lower Atmosphere: Theory, Experiments, and Applications ,(2000)
M. Possanzini, A. Febo, F. Cecchini, Development of a KI Annular Denuder for NO2 Collection Analytical Letters. ,vol. 17, pp. 887- 896 ,(1984) , 10.1080/00032718408077170
J. M. Sherman, THE CULTURE COLLECTION OF THE SOCIETY OF AMERICAN BACTERIOLOGISTS Science. ,vol. 55, pp. 423- 423 ,(1922) , 10.1126/SCIENCE.55.1425.423-A
M. Viana, W. Maenhaut, H.M. ten Brink, X. Chi, E. Weijers, X. Querol, A. Alastuey, P. Mikuška, Z. Večeřa, Comparative analysis of organic and elemental carbon concentrations in carbonaceous aerosols in three European cities Atmospheric Environment. ,vol. 41, pp. 5972- 5983 ,(2007) , 10.1016/J.ATMOSENV.2007.03.035
Brian T. Mader, Richard C. Flagan, John H. Seinfeld, Sampling Atmospheric Carbonaceous Aerosols Using a Particle Trap Impactor/Denuder Sampler Environmental Science & Technology. ,vol. 35, pp. 4857- 4867 ,(2001) , 10.1021/ES011059O
Pavel. Mikuska, Zbynek. Vecera, Determination of nitrogen dioxide with a chemiluminescent aerosol detector Analytical Chemistry. ,vol. 64, pp. 2187- 2191 ,(1992) , 10.1021/AC00042A029
R. J. CHARLSON, S. E. SCHWARTZ, J. M. HALES, R. D. CESS, J. A. COAKLEY, J. E. HANSEN, D. J. HOFMANN, Climate Forcing by Anthropogenic Aerosols Science. ,vol. 255, pp. 423- 430 ,(1992) , 10.1126/SCIENCE.255.5043.423
M. Possanzini, A. Febo, A. Liberti, New design of a high-performance denuder for the sampling of atmospheric pollutants Atmospheric Environment. ,vol. 17, pp. 2605- 2610 ,(1983) , 10.1016/0004-6981(83)90089-6