Comparison of four scanning mobility particle sizers at the Fresno Supersite

Size distributions of ambient aerosols at the Fresno Supersite were measured with four commercially available scanning mobility particle sizers （SMPS）. TSI nano, TSI standard, Grimm, and MSP instruments were collocated at the Fresno Supersite and particle size distributions were measured continuousl...

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Bibliographic Details
Published in:Particuology 2011-06, Vol.9 (3), p.204-209
Main Authors: Watson, John G., Chow, Judith C., Sodeman, David A., Lowenthal, Douglas H., Chang, M.-C. Oliver, Park, Kihong, Wang, Xiaoliang
Format: Article
Language:English
Subjects:
Aerosol measurement
Aerosols
Fresno
Nanocomposites
Nanomaterials
Nanostructure
Particle size distribution
Scanning
Size distribution
SMPS
Supersite
TSI
Ultrafine particles
大气气溶胶
扫描
斯诺
流动粒子
粒度分布
纳米技术
颗粒物浓度
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Summary:Size distributions of ambient aerosols at the Fresno Supersite were measured with four commercially available scanning mobility particle sizers （SMPS）. TSI nano, TSI standard, Grimm, and MSP instruments were collocated at the Fresno Supersite and particle size distributions were measured continuously from August 18 through September 18, 2005. For particles with diameters between 10 and 200 nm, differences among hourly-average ambient particle concentrations ranged from 0% between the TSI nano and Grimm in the 30-50 nm size range to 39% between the Grimm and MSP in the 10-30 nm size range. MSP concentrations were 10-33% lower than those measured with the TSI standard for particles smaller than 200 nm. The TSI nano and TSI standard agreed to within 5% in their overlapping size range （10-84 nm）. The TSI nano and Grimm agreed to within 40% for 5-10 nm particles.
ISSN:1674-2001
2210-4291
DOI:10.1016/j.partic.2011.03.002