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@ARTICLE{Wolters:62964,
author = {Wolters, A. and Linnemann, V. and Smith, K.E.C. and
Klingelmann, E. and Park, B.J. and Vereecken, H.},
title = {{N}ovel chamber to measure equilibrium soil-air
partitioning coefficients of low-volatility organic
chemicals under conditions of varying temperature and soil
moisture},
journal = {Environmental Science $\&$ Technology},
volume = {42},
issn = {0013-936X},
address = {Columbus, Ohio},
publisher = {American Chemical Society},
reportid = {PreJuSER-62964},
pages = {4870 - 4876},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {The need to determine soil-air partitioning coefficients
(K-SA) of low-volatility organic chemicals as a measure of
their distribution in the soil surface after release into
the environment resulted in the development of a novel
chamber system, which has been filed for patent. A major
advantage of this pseudo-static system is that sufficient
time can be factored into the experiment to ensure that the
system has achieved equilibrium. In a highly precise method,
the air is collected in adsorption tubes and subsequently
liberated in a thermodesorption system for the quantitation
of the adsorbed compound. The precision of the method is
great enough that even the effects of temperature and soil
moisture on the soil-air partitioning of very low-volatility
compounds can be quantified. Because of analytical detection
limits, quantitation of these influences has not been
possible to date. Functionality of the setup was illustrated
by measurements on the fungicide fenpropimorph. K-SA values
of fenpropimorph displayed a negative relationship with
temperature and soil moisture. The type of application
(spraying or incorporation) and the use of formulated
compounds was shown to have a major impact on the measured
K-SA values. Comparison with calculations using an
estimation method revealed that the use of experimentally
determined K-SA values will facilitate a more adequate
consideration of volatilization in recent model approaches.},
keywords = {J (WoSType)},
cin = {ICG-4 / JARA-ENERGY / JARA-SIM},
ddc = {050},
cid = {I:(DE-Juel1)VDB793 / $I:(DE-82)080011_20140620$ /
I:(DE-Juel1)VDB1045},
pnm = {Terrestrische Umwelt},
pid = {G:(DE-Juel1)FUEK407},
shelfmark = {Engineering, Environmental / Environmental Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000257220600045},
doi = {10.1021/es800372m},
url = {https://juser.fz-juelich.de/record/62964},
}