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@ARTICLE{Lustfeld:42902,
author = {Lustfeld, H. and Pohlmeier, A.},
title = {{E}lectric potential and reaction rates at charged surfaces
in asymmetric electrolytes : an analytical approach},
journal = {Journal of colloid and interface science},
volume = {239},
issn = {0021-9797},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {PreJuSER-42902},
pages = {113 - 125},
year = {2001},
note = {Record converted from VDB: 12.11.2012},
abstract = {The electric potential and reaction rates of ions hitting
the chemically active surfaces of microcrystals in an
asymmetric electrolyte are computed analytically. Following
ideas of Debye we start by solving the Poisson-Boltzmann
equations and by determining the electric potential of the
transport equations. We find distinct deviations when
comparing our result with the Gouy-Chapman formula. In a
simple model approximating a situation in which lead and
hydrogen ions can react at goethite surfaces we compute
analytically the currents of ions diffusing to the surfaces
of microcrystals where they undergo a chemical reaction. We
compute the reaction rates that can be controlled either by
chemical reactions at the surface of the microcrystals or by
diffusional transport. For realistic parameters of our model
we find that the diffusional transport is the rate
determining step. Copyright 2001 Academic Press.},
keywords = {J (WoSType)},
cin = {IFF-TH-I / ICG-IV},
ddc = {540},
cid = {I:(DE-Juel1)VDB30 / I:(DE-Juel1)VDB50},
pnm = {Elektronische Struktur von Festkörpern, Oberflächen und
Schichtsystemen / Stoffströme von Schwermetallen und
organischen Substanzen in der Umwelt},
pid = {G:(DE-Juel1)FUEK52 / G:(DE-Juel1)FUEK83},
shelfmark = {Chemistry, Physical},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:11397055},
UT = {WOS:000169533100015},
doi = {10.1006/jcis.2001.7486},
url = {https://juser.fz-juelich.de/record/42902},
}