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@ARTICLE{evk:867580,
      author       = {Ševčík, Radek and Viani, Alberto and Machová, Dita and
                      Lanzafame, Gabriele and Mancini, Lucia and Appavou,
                      Marie-Sousai},
      title        = {{S}ynthetic calcium carbonate improves the effectiveness of
                      treatments with nanolime to contrast decay in highly porous
                      limestone},
      journal      = {Scientific reports},
      volume       = {9},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Macmillan Publishers Limited, part of Springer Nature},
      reportid     = {FZJ-2019-06203},
      pages        = {15278},
      year         = {2019},
      abstract     = {Three synthetized polymorphs of calcium carbonate have been
                      tested in combination with the suspension of nanolime
                      particles as potential consolidating agents for contrasting
                      stone decay and overcome some of the limitations of nanolime
                      agents when applied to substrates with large porosity. The
                      modifications induced in the pore network of the Maastricht
                      limestone were analyzed with microscopy and in a
                      non-invasive fashion with small angle neutron scattering and
                      synchrotron radiation micro-computed tomography. A reduction
                      in porosity and pore accessibility at the micrometric scale
                      was detected with the latter technique, and ascribed to the
                      improved pore-filling capacity of the consolidation agent
                      containing CaCO3 particles. These were found to be
                      effectively bound to the carbonated nanolime, strengthening
                      the pore-matrix microstructure. Penetration depth and
                      positive effect on porosity were found to depend on the
                      particle size and shape. Absence of significant changes in
                      the fractal nature of the pore surface at the nanoscale, was
                      interpreted as indication of the negligible contribution of
                      nanolime-based materials in the consolidation of stones with
                      large porosity. However, the results indicate that in such
                      cases, their effectiveness may be enhanced when used in
                      combination with CaCO3 particles, owing to the synergic
                      effect of chemical/structural compatibility and particle
                      size distribution.},
      cin          = {JCNS-FRM-II / JCNS-1 / MLZ},
      ddc          = {600},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31649279},
      UT           = {WOS:000492141900009},
      doi          = {10.1038/s41598-019-51836-z},
      url          = {https://juser.fz-juelich.de/record/867580},
}