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Naslov:Comparing black-carbon- and aerosol-absorption-measuring instruments – a new system using lab-generated soot coated with controlled amounts of secondary organic matter
Avtorji:ID Kalbermatter, Daniel M. (Avtor)
ID Močnik, Griša (Avtor)
ID Drinovec, Luka (Avtor)
ID Visser, Bradley (Avtor)
ID Röhrbein, Jannis (Avtor)
ID Oscity, Matthias (Avtor)
ID Weingartner, Ernest (Avtor)
ID Hyvärinen, Antti-Pekka (Avtor)
ID Vasilatou, Konstantina (Avtor)
Datoteke:.pdf Kalbermatter_-_AMT_2022_-_Comparing_BC_and_aerosol-absorption-measuring_instruments_–_a_new_system_using_lab-generated_soot_coated_with_controlled_amounts_of_SOA.pdf (752,94 KB)
MD5: 3182F18945B00370ABAFA97C781172BA
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:We report on an inter-comparison of black-carbon- and aerosol-absorption-measuring instruments with laboratory-generated soot particles coated with controlled amounts of secondary organic matter (SOM). The aerosol generation setup consisted of a miniCAST 5201 Type BC burner for the generation of soot particles and a new automated oxidation flow reactor based on the micro smog chamber (MSC) for the generation of SOM from the ozonolysis of α-pinene. A series of test aerosols was generated with elemental to total carbon (EC  TC) mass fraction ranging from about 90 % down to 10 % and single-scattering albedo (SSA at 637 nm) from almost 0 to about 0.7. A dual-spot Aethalometer AE33, a photoacoustic extinctiometer (PAX, 870 nm), a multi-angle absorption photometer (MAAP), a prototype photoacoustic instrument, and two prototype photo-thermal interferometers (PTAAM-2λ and MSPTI) were exposed to the test aerosols in parallel. Significant deviations in the response of the instruments were observed depending on the amount of secondary organic coating. We believe that the setup and methodology described in this study can easily be standardised and provide a straightforward and reproducible procedure for the inter-comparison and characterisation of both filter-based and in situ black-carbon-measuring (BC-measuring) instruments based on realistic test aerosols.
Ključne besede:black carbon, aerosol absorption, secondary organic aerosol, coating
Leto izida:2022
Št. strani:str. 561-572
Številčenje:Vol. 15, iss. 2
PID:20.500.12556/RUNG-7164 Novo okno
COBISS.SI-ID:95895811 Novo okno
UDK:502.3/.7
ISSN pri članku:1867-8548
DOI:10.5194/amt-15-561-2022 Novo okno
NUK URN:URN:SI:UNG:REP:UGUFQOPD
Datum objave v RUNG:01.02.2022
Število ogledov:2595
Število prenosov:51
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Gradivo je del revije

Naslov:Atmospheric measurement techniques
Skrajšan naslov:Atmos. meas. tech.
Založnik:Copernicus Publications
ISSN:1867-8548
COBISS.SI-ID:522351897 Novo okno

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:01.02.2022

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Jezik:Ni določen
Naslov:Comparing black-carbon- and aerosol-absorption-measuring instruments


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