An ultrafine, water-based condensation particle counter and its evaluation under field conditions

An ultrafine, water-based condensation particle counter and its evaluation under field conditions. Iida, K., Stolzenburg, M., R., McMurry, P., H., Smith, J., N., Quant, F., R., Oberreit, D., R., Keady, P., B., Eiguren-Fernandez, A., Lewis, G., S., Kreisberg, N., M., & Hering, S., V. Aerosol Science and Technology, 42(10):862-871, Taylor & Francis, 8, 2008.

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An ultrafine, water-based condensation particle counter (U-WCPC, TSI Model 3786) has been compared to a butanol-based ultrafine counter (U-BCPC, TSI Model 3025) for measurement of atmospheric and freeway-tunnel aerosols. The U-WCPC utilizes a warm, wet-walled growth tube to activate and grow particles through water condensation in a laminar-flow. It has an aerosol sampling rate of 0.3 L/min, and a nominal detection limit near 3 nm. Several field comparisons were made to the butanol-based instrument with the same nominal detection limit. For measurements of size-selected aerosols with diameters of 5 nm and larger the two instruments generally agreed, with a mean response within 5%. At 3 nm particle size differences were observed, and these differences varied with the data set. Measurements of ambient aerosol in Boulder, Colorado showed higher counting efficiency at 3 nm with the U-BCPC, while in a California freeway tunnel the opposite trend was observed, with higher counting efficiencies at 3 nm observed by the U-WCPC. For direct measurement of atmospheric aerosols, the two types of instruments yielded equivalent concentrations, independent of particle number concentration. Copyright © American Association for Aerosol Research.

@article{
 title = {An ultrafine, water-based condensation particle counter and its evaluation under field conditions},
 type = {article},
 year = {2008},
 keywords = {CONDENSATION BUTANOL AEROSOLS PARTICLES LAMINAR fl},
 pages = {862-871},
 volume = {42},
 websites = {http://www.tandfonline.com/doi/abs/10.1080/02786820802339579},
 month = {8},
 publisher = {Taylor & Francis},
 day = {28},
 id = {cf7d455d-e9af-3df7-8296-a8a726fbb611},
 created = {2019-12-30T23:08:26.236Z},
 file_attached = {false},
 profile_id = {2e2b0bf1-6573-3fd8-8628-55d1dc39fe31},
 last_modified = {2020-08-21T23:00:47.288Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 citation_key = {Iida2008},
 source_type = {Journal Article},
 language = {English},
 notes = {<b>From Duplicate 2 (<i>An ultrafine, water-based condensation particle counter and its evaluation under field conditions</i> - Iida, Kenjiro; Stolzenburg, Mark R.; McMurry, Peter H.; Smith, James N.; Quant, Frederick R.; Oberreit, Derek R.; Keady, Patricia B.; Eiguren-Fernandez, Arantza; Lewis, Gregory S.; Kreisberg, Nathan M.; Hering, Susanne V.)<br/></b><br/>Cited References Count:25|TAYLOR &amp; FRANCIS INC|325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA|ISI Document Delivery No.:348WE},
 private_publication = {false},
 abstract = {An ultrafine, water-based condensation particle counter (U-WCPC, TSI Model 3786) has been compared to a butanol-based ultrafine counter (U-BCPC, TSI Model 3025) for measurement of atmospheric and freeway-tunnel aerosols. The U-WCPC utilizes a warm, wet-walled growth tube to activate and grow particles through water condensation in a laminar-flow. It has an aerosol sampling rate of 0.3 L/min, and a nominal detection limit near 3 nm. Several field comparisons were made to the butanol-based instrument with the same nominal detection limit. For measurements of size-selected aerosols with diameters of 5 nm and larger the two instruments generally agreed, with a mean response within 5%. At 3 nm particle size differences were observed, and these differences varied with the data set. Measurements of ambient aerosol in Boulder, Colorado showed higher counting efficiency at 3 nm with the U-BCPC, while in a California freeway tunnel the opposite trend was observed, with higher counting efficiencies at 3 nm observed by the U-WCPC. For direct measurement of atmospheric aerosols, the two types of instruments yielded equivalent concentrations, independent of particle number concentration. Copyright © American Association for Aerosol Research.},
 bibtype = {article},
 author = {Iida, Kenjiro and Stolzenburg, Mark R. and McMurry, Peter H. and Smith, James N. and Quant, Frederick R. and Oberreit, Derek R. and Keady, Patricia B. and Eiguren-Fernandez, Arantza and Lewis, Gregory S. and Kreisberg, Nathan M. and Hering, Susanne V.},
 doi = {10.1080/02786820802339579},
 journal = {Aerosol Science and Technology},
 number = {10}
}

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