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@ARTICLE{Kiselev:10069,
author = {Kiselev, A. and Wennrich, C. and Stratmann, F. and Wex, H.
and Henning, S. and Mentel, T. F. and Kiendler-Scharr, A.
and Schneider, J. and Walter, S. and Lieberwirth, I.},
title = {{M}orphological characterization of soot aerosol particles
during {LACIS} {E}xperiment in {N}ovember ({LE}x{N}o)},
journal = {Journal of Geophysical Research},
volume = {115},
issn = {0148-0227},
address = {Washington, DC},
publisher = {Union},
reportid = {PreJuSER-10069},
pages = {D11204},
year = {2010},
note = {Record converted from VDB: 12.11.2012},
abstract = {Combined mobility and aerodynamic measurements were used to
characterize the morphology of soot particles in an
experimental campaign on the hygroscopic growth and
activation of an artificial biomass burning aerosol. A
custom-made, single-stage low-pressure impactor and two
aerosol mass spectrometers (AMS) operating in the free
molecular regime were used to measure the vacuum aerodynamic
diameter of mobility-selected artificial soot particles that
were produced in a spark discharge generator and then
modified by condensation of ammonium hydrogen sulfate or
levoglucosan as a coating to change their hydroscopic
activity. Transmission electron microscope images revealed a
relationship between the electrical mobility diameter and
the diameter of the enveloping sphere, thus enabling
evaluation of the effective density of soot agglomerates. A
fractal description of the morphology of the soot aggregates
allowed for evaluation of the average mass of the
hygroscopic material per particle. The average mass of the
hygroscopic material per particle was also measured directly
with the two AMS instruments, and the agreement between the
two methods was found satisfactory. This tandem approach
allows detection of small changes in the particle effective
density and morphology caused by condensation of organic
material.},
keywords = {J (WoSType)},
cin = {ICG-2 / JARA-ENERGY},
ddc = {550},
cid = {I:(DE-Juel1)VDB791 / $I:(DE-82)080011_20140620$},
pnm = {Atmosphäre und Klima},
pid = {G:(DE-Juel1)FUEK406},
shelfmark = {Meteorology $\&$ Atmospheric Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000278453500006},
doi = {10.1029/2009JD012635},
url = {https://juser.fz-juelich.de/record/10069},
}