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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},
}