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@ARTICLE{Samain:15471,
author = {Samain, L. and Silversmit, G. and Sanyova, J. and Vekemans,
B. and Salomon, H. and Gilbert, B. and Grandjean, F. and
Long, G. L. and Hermann, R. P. and Vincze, L. and Strivay,
D.},
title = {{F}ading of modern {P}russian blue pigments in linseed oil
medium},
journal = {Journal of analytical atomic spectrometry},
volume = {26},
issn = {0267-9477},
address = {Cambridge},
publisher = {ChemSoc},
reportid = {PreJuSER-15471},
pages = {930 - 941},
year = {2011},
note = {The financial support of the Fonds National de la Recherche
Scientifique (F.R.S-FNRS), Belgium (grants 9.456595 and
1.5.064.05), is gratefully acknowledged. This work is
supported by the Belgian inter-university Attraction Pole
Program P6/16 Belgian State Belgian Science Policy. G.
Silversmit is supported by a postdoctoral fellowship from
the Research Foundation-Flanders (FWO-Vlaanderen, Belgium).},
abstract = {The fading of modern laboratory-synthesized and commercial
Prussian blue, iron(III) hexacyanoferrate (II), based
pigments in a linseed oil medium during exposure to light
has been investigated. The Prussian blue pigments were
painted with linseed oil, as a pure pigment and mixed with
white lead, (PbCO3)(2)Pb (OH)(2), zinc white, ZnO, or
titanium white, TiO2, pigment. The samples were subjected to
accelerated ageing for 800 h and the light fastness of the
Prussian blue pigment was evaluated by reference to blue
wool standards. Pure Prussian blue is extremely light fast
whilst it strongly fades when mixed with a white pigment,
especially with lead white or zinc oxide. The painted
samples were studied by UV-visible, iron K-edge X-ray
absorption, iron-57 transmission Mossbauer, and attenuated
total reflectance infrared spectroscopy. X-ray absorption
results reveal a decrease in the iron coordination number in
aged samples in the presence of white pigment. The Mossbauer
spectra of the pure Prussian blue and the unaged and aged
mixtures of Prussian blue and lead white or zinc oxide at 1
: 100 and 1 : 10 dilution ratios, respectively, indicate the
presence of iron(II) and iron(III) in a ratio close to one
as expected for the bulk stoichiometric
KFeIII[Fe-II(CN)(6)]; no change in the spectral parameters
was observed upon ageing. Combined with the X-ray near edge
absorption and infrared studies, these results suggest
reduction of the surface iron ions in the Prussian blue with
ageing upon exposure to light.},
keywords = {J (WoSType)},
cin = {PGI-4 / JCNS-2 / JARA-FIT},
ddc = {540},
cid = {I:(DE-Juel1)PGI-4-20110106 / I:(DE-Juel1)JCNS-2-20110106 /
$I:(DE-82)080009_20140620$},
pnm = {Grundlagen für zukünftige Informationstechnologien /
Großgeräte für die Forschung mit Photonen, Neutronen und
Ionen (PNI)},
pid = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415},
shelfmark = {Chemistry, Analytical / Spectroscopy},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000289731900008},
doi = {10.1039/c0ja00234h},
url = {https://juser.fz-juelich.de/record/15471},
}