Comparison of Ambient Particle Surface Area Measurement by Epiphaniometer and SMPS/APS

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Comparison of Ambient Particle Surface Area Measurement by Epiphaniometer and SMPS/APS. / Harrison, Roy; Shi, Ji; Evans, Douglas.

In: Atmospheric Environment, Vol. 35, No. 35, 01.12.2001, p. 6193-6200.

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@article{7cb4664b3d504f4aa298ac1f27bd73bb,
title = "Comparison of Ambient Particle Surface Area Measurement by Epiphaniometer and SMPS/APS",
abstract = "During measurement campaigns at an urban background and a rural site, simultaneous measurements of particle size distributions using a scanning mobility particle sizer (SMPS)/aerodynamic particle sizer (APS) combination and Fuchs surface using an epiphaniometer have been made. The epiphaniometer was calibrated using sub- 100 nm monodisperse aerosol and it was found that a calibration based upon particle electrical mobility diameters measured with a SNIPS was consistent irrespective of the use of singlet particles of sodium chloride and ammonium sulphate or clusters of carbon. The field intercomparison of surface areas derived directly From the epiphaniometer and calculated from the size distributions determined by the SMPS/APS combination showed a good agreement of Fuchs surface estimates at both measurement sites. However, attempts to estimate a {"}geometric{"} surface area from the epiphaniometer data led to significant divergence from the estimates of the SMPS/APS combination when there was a significant fraction of coarser (> 700 nm) particles contributing to the aerosol surface area. (C) 2001 Elsevier Science Ltd. All rights reserved.",
keywords = "particulate matter, epiphaniometer, SMPS, aerosol, surface area",
author = "Roy Harrison and Ji Shi and Douglas Evans",
year = "2001",
month = dec,
day = "1",
doi = "10.1016/S1352-2310(01)00382-X",
language = "English",
volume = "35",
pages = "6193--6200",
journal = "Atmospheric Environment",
issn = "1352-2310",
publisher = "Elsevier",
number = "35",

}

RIS

TY - JOUR

T1 - Comparison of Ambient Particle Surface Area Measurement by Epiphaniometer and SMPS/APS

AU - Harrison, Roy

AU - Shi, Ji

AU - Evans, Douglas

PY - 2001/12/1

Y1 - 2001/12/1

N2 - During measurement campaigns at an urban background and a rural site, simultaneous measurements of particle size distributions using a scanning mobility particle sizer (SMPS)/aerodynamic particle sizer (APS) combination and Fuchs surface using an epiphaniometer have been made. The epiphaniometer was calibrated using sub- 100 nm monodisperse aerosol and it was found that a calibration based upon particle electrical mobility diameters measured with a SNIPS was consistent irrespective of the use of singlet particles of sodium chloride and ammonium sulphate or clusters of carbon. The field intercomparison of surface areas derived directly From the epiphaniometer and calculated from the size distributions determined by the SMPS/APS combination showed a good agreement of Fuchs surface estimates at both measurement sites. However, attempts to estimate a "geometric" surface area from the epiphaniometer data led to significant divergence from the estimates of the SMPS/APS combination when there was a significant fraction of coarser (> 700 nm) particles contributing to the aerosol surface area. (C) 2001 Elsevier Science Ltd. All rights reserved.

AB - During measurement campaigns at an urban background and a rural site, simultaneous measurements of particle size distributions using a scanning mobility particle sizer (SMPS)/aerodynamic particle sizer (APS) combination and Fuchs surface using an epiphaniometer have been made. The epiphaniometer was calibrated using sub- 100 nm monodisperse aerosol and it was found that a calibration based upon particle electrical mobility diameters measured with a SNIPS was consistent irrespective of the use of singlet particles of sodium chloride and ammonium sulphate or clusters of carbon. The field intercomparison of surface areas derived directly From the epiphaniometer and calculated from the size distributions determined by the SMPS/APS combination showed a good agreement of Fuchs surface estimates at both measurement sites. However, attempts to estimate a "geometric" surface area from the epiphaniometer data led to significant divergence from the estimates of the SMPS/APS combination when there was a significant fraction of coarser (> 700 nm) particles contributing to the aerosol surface area. (C) 2001 Elsevier Science Ltd. All rights reserved.

KW - particulate matter

KW - epiphaniometer

KW - SMPS

KW - aerosol

KW - surface area

UR - http://www.scopus.com/inward/record.url?scp=0035153846&partnerID=8YFLogxK

U2 - 10.1016/S1352-2310(01)00382-X

DO - 10.1016/S1352-2310(01)00382-X

M3 - Article

VL - 35

SP - 6193

EP - 6200

JO - Atmospheric Environment

JF - Atmospheric Environment

SN - 1352-2310

IS - 35

ER -