International comparison CCQM-P189: particle number concentration (100 to 20 000 cm-3) and particle charge concentration (0.15 to 3 fC cm-3)

Brown, Andrew S.; Quincey, Paul; Ebert, Volker; Nowak, Andreas; Tompkins, Jordan T.; Hessey, Isabel; Ciupek, Krzysztof; Schaefer, Carlo; Werhahn, Olav; Vasilatou, Konstantina; Lüönd, Felix; Macé, Tatiana; Gaie-Levrel, François; Bregonzio-Rozier, Lola; Oganyan, Narine; Belenkii, Dmitrii; Sakurai, Hiromu; Murashima, Yoshiko; Liu, Junjie; Jung, Jinsang; Seeger, Stefan

doi:https://doi.org/10.1088/0026-1394/60/1A/08015

Zugriffsnummer	50706
Dokumenttyp	Zeitschriftenartikel
Peer Review	mit Peer Review
Sprache	Englisch
Titel	International comparison CCQM-P189: particle number concentration (100 to 20 000 cm-3) and particle charge concentration (0.15 to 3 fC cm-3)
Autor(in); Institution	Brown, Andrew S.; National Physical Laboratory (NPL), Teddington, UK Quincey, Paul; Independent Researcher, Teddington, UK Ebert, Volker; 3.4, Analytische Chemie der Gasphase, PTB-Braunschweig Nowak, Andreas; 3.4, Analytische Chemie der Gasphase, PTB-Braunschweig Tompkins, Jordan T.; National Physical Laboratory (NPL), Teddington, UK Hessey, Isabel; National Physical Laboratory (NPL), Teddington, UK Ciupek, Krzysztof; National Physical Laboratory (NPL), Teddington, UK Schaefer, Carlo; 3.4, Analytische Chemie der Gasphase, PTB-Braunschweig Werhahn, Olav; 3.4, Analytische Chemie der Gasphase, PTB-Braunschweig Vasilatou, Konstantina; Federal Institute of Metrology METAS, Bern-Wabern, SWITZERLAND Lüönd, Felix; Federal Institute of Metrology METAS, Bern-Wabern, SWITZERLAND Macé, Tatiana; Laboratoire national de métrologie et d'essais (LNE), Paris, FRANCE Gaie-Levrel, François; Laboratoire national de métrologie et d'essais (LNE), Paris, FRANCE Bregonzio-Rozier, Lola; Laboratoire national de métrologie et d'essais (LNE), Paris, FRANCE Oganyan, Narine; All-Russian Scientific Research Institute of Physicotechnical and Radio Engineering Measurements (VNIIFTRI), Mendeleyevo, RUSSIA Belenkii, Dmitrii; Institute of Physicotechnical and Radio Engineering Measurements (VNIIFTRI), Mendeleyevo, RUSSIA Sakurai, Hiromu; National Metrology Institute of Japan (NMIJ), Ibaraki, JAPAN Murashima, Yoshiko; National Metrology Institute of Japan (NMIJ), Ibaraki, JAPAN Liu, Junjie; National Institute of Metrology of China (NIM), Beijing, CHINA Jung, Jinsang; Korea Research Institute of Standards and Science (KRISS), Daejeon, REPUBLIC OF KOREA Seeger, Stefan; Bundesanstalt für Materialforschung und -prüfung (BAM), Berlin, GERMANY
Quelle/Jahr	Metrologia: 60 (2023), 1A, Tech. Suppl., 74 S.
Artikelnummer	08015
Availability	[online only]
ISSN	0026-1394 (print) ; 1681-7575 (online)
DOI	https://doi.org/10.1088/0026-1394/60/1A/08015
Berichtsnummer	NPL Report ENV 47
Verlag	Bristol: IOP Publishing
Zusammenfassung	This report presents the results of CCQM-P189, a pilot comparison between 10 laboratories which tested the participants' capability to measure particle number concentration (in the range of 100 to 20 000 cm-3) using condensation particle counters (CPCs), and particle charge concentration (in the range of 0.15 to 3 fC cm-3) using aerosol electrometers (AEs). Measurements of aerosol particle number concentration are needed to demonstrate compliance to vehicle emission legislation and are becoming increasingly important in other areas such as ambient air and workplace monitoring. The measurements are typically carried out using condensation particle counters, which are calibrated using either reference CPCs or reference AEs. An analogous report is available for the CCQM-K150 comparison. CCQM-K150 was identical to, and used the same experimental data as CCQM-P189 with one exception: data from TROPOS, which is not a National Measurement Institute (NMI) or Designated Institute (DI), were only included in CCQM-P189. CCQM-P189 was an amount-of-substance Track C comparison. To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/. The final report has been peer-reviewed and approved for publication by the CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

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Themenbereich der Metrologie	Metrologie in der Chemie und Stoffeigenschaften
Innovationscluster	Umwelt und Klima

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Brown, A. S., Quincey, P., Ebert, V., Nowak, A., Tompkins, J. T., Hessey, I., Ciupek, K., Schaefer, C., Werhahn, O., Vasilatou, K., Lüönd, F., Macé, T., Gaie-Levrel, F., Bregonzio-Rozier, L., Oganyan, N., Belenkii, D., Sakurai, H., Murashima, Y., Liu, J., Jung, J., & Seeger, S. (2023). International comparison CCQM-P189: particle number concentration (100 to 20 000 cm-3) and particle charge concentration (0.15 to 3 fC cm-3). Metrologia, 60(1A, Tech. Suppl.), 74 S. https://doi.org/10.1088/0026-1394/60/1A/08015

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