Now showing items 1-20 of 20

    • Ageing of resin from Pinus species assessed by infrared spectroscopy 

      Beltran Sanchidrian, Victòria; Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Pradell Cara, Trinitat (2016-04-06)
      Article
      Open Access
      Resins obtained from Pinus genus species have been widely used in very different fields throughout history. As soon as the resins are secreted, molecular changes start altering their chemical, mechanical and optical ...
    • Amorphous calcium carbonate (ACC) in fresco mural paintings 

      Oriols Pladevall, Núria; Salvadó Cabré, Nativitat; Pradell Cara, Trinitat; Buti Papiol, Salvador (2020-05-01)
      Article
      Open Access
      A fresco painting has a calcium carbonate binder produced as result of the carbonation process of a lime paste. The reaction environmental conditions are similar to those of bio-mineral formation where an amorphous calcium ...
    • Carbonation of fresco mural paintings with a dolomitic mortar 

      Oriols Pladevall, Núria; Salvadó Cabré, Nativitat; Pradell Cara, Trinitat; Buti Papiol, Salvador; Cotte, Marine; Gonzalez, Victor (2022-07)
      Article
      Open Access
      A fresco painting has a calcium carbonate binder produced as result of the carbonation process of a lime paste. The reaction environmental conditions are similar to those of bio-mineral formation where an amorphous cal-cium ...
    • Chemical Changes in Pictorial Models: Characterization by FT-IR Spectroscopy 

      Urbina, Veronica; Pradell Cara, Trinitat; Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Ruvalcaba, José Luis (2009)
      Conference report
      Restricted access - publisher's policy
      In order to understand the interaction between copper containing pigments and the organic binders in paintings, as well as reaction/alteration products, a series of pictorial models have been prepared and ...
    • Estado de conservación de los estratos de intervención con caseína, en la pintura mural arrancada y traspasada de la colección del Museu Nacional d’Art de Catalunya 

      Oriols Pladevall, Núria; Salvadó Cabré, Nativitat; Buti Papiol, Salvador (SECRETARÍA GENERAL TÉCNICA Subdirección General de Documentación y Publicaciones, 2015)
      Part of book or chapter of book
      Open Access
      Se han analizado los materiales presentes en los estratos de intervención de pintura mural del Museu Nacional d’Art de Catalunya, arrancada y traspasada según el procedimiento italiano introducido en 1919 por el restaurador ...
    • Estudi de les colradures sobre or i plata del retaule barroc de sant Ruf de la catedral de Santa Maria de Tortosa 

      Clemente Martínez, Carme; Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Pradell Cara, Trinitat (2015-07)
      Article
      Open Access
      Els segles XVII i XVIII són el moment de màxim esplendor a tota Europa en l’ús de les colres de colors. La tècnica de les colres de colors sobre fulls d’or o plata de l’època barroca està poc estudiada des del punt de ...
    • Identification of reaction compounds in micrometric layers from gothic paintings using combined SR-XRD and SR-FTIR 

      Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Nicholson, J; Emerich, H; Labrador, A; Pradell Cara, Trinitat (2009-07)
      Article
      Restricted access - publisher's policy
      Synchrotron radiation X-ray diffraction ( -SR-XRD) and Fourier transform infrared spectroscopy ( -SRFTIR) are used in the non-destructive identification of reaction and aging compounds from micrometric ancient painting ...
    • Insights into the composition of ancient Egyptian red and black inks on papyri achieved by synchrotron-based microanalyses 

      Christiansen, Thomas; Cotte, Marine; Nolf, Wout de; Mouro, Elouan; Meyer, Steven de; Vanmeert, Frederik; Salvadó Cabré, Nativitat; González, Víctor; Lindelof, Poul Erik; Mortensen, Kell; Ryholt, Kim; Janssens, Koen; Larsen, Sine (2020-11-10)
      Article
      Open Access
      A hitherto unknown composition is highlighted in the red and black inks preserved on ancient Egyptian papyri from the Roman period (circa 100 to 200 CE). Synchrotron-based macro–X-ray fluorescence (XRF) mapping brings to ...
    • Low molecular weight organic acid salts, markers of old fungi activity in wall paintings 

      Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Pradell Cara, Trinitat; Beltran Sanchidrian, Victòria; Cinque, Gianfelice; Juanhuix, Jordi; Font, Lídia; Senserrich, Rosa (2016-02-21)
      Article
      Open Access
      Micro-Infrared Spectroscopy (mSR-FTIR) and X-ray diffraction (mSR-XRD) with synchrotron light, Gas Chromatography/Mass Spectrometry (CG/MS), Optical Microscopy (OM) and Scanning Electron Microscopy (SEM/EDS) were used ...
    • Markers, reactions, and interactions during the aging of pinus resin assessed by Raman spectroscopy 

      Beltran Sanchidrian, Victòria; Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Cinque, Gianfelice; Pradell Cara, Trinitat (2017-04-28)
      Article
      Restricted access - publisher's policy
      The resin extracted from the species of the Pinus genus (Pinaceae family) is a widely used material. Primarily, resins are made up of two types of diterpenoids: abietanes and pimaranes. Their composition changes with aging, ...
    • Micro infrared spectroscopy discrimination capability of compounds in complex matrices of thin layers in real sample coatings from artworks 

      Beltran Sanchidrian, Victòria; Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Cinque, Gianfelice (2015-01)
      Article
      Open Access
      The presence of coating on manufactures either to protect them from the environment, or to give them specific properties—as well as simply to change their aspect—has been shown to be a constant practise throughout history. ...
    • Microanalytical study of luster glazed gilding and silvering from Baroque altarpieces 

      Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Clemente Martínez, Carme; Beltran Sanchidrian, Victòria; Cinque, Gianfelice; Juanhuix, Jordi; Pradell Cara, Trinitat (2018-03-01)
      Article
      Open Access
      Lustering, a technique which involved the application of coloured translucent glazes over gilding and silvering was widely used to enrich and decorate altarpieces in the Baroque period. The decorations consist of a micrometric ...
    • New insights on blue pigments used in 15th century paintings by synchrotron radiation-based micro-FTIR and XRD 

      Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Garcia Aranda, Miguel A.; Pradell Cara, Trinitat (2014-05-06)
      Article
      Open Access
      The blue pigments used on altarpieces in 15th Century in Catalonia and Crown of Aragon are principally the azurite mineral. To a lesser extent lapis lazuli, also of mineral origin and occasionally, in the background areas, ...
    • Optimal Sample Preparation for the Analysis of Micrometric Heterogeneous Samples 

      Beltran Sanchidrian, Victòria; Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Cinque, Gianfelice; Wehbe, Katia; Pradell Cara, Trinitat (2015-05-29)
      Article
      Open Access
      Precise microanalytical techniques are essential in many fields such as cultural heritage materials, showing complex layered microstructures containing a wide range of materials of diverse nature and hardness. Noninvasive ...
    • QUÍMICA (Examen 2n quadrimestre) 

      Salvadó Cabré, Nativitat; Papiol Vera, Emilia; Olivé Duran, Joaquim; Roset Calzada, María Lourdes; Ruiz Planas, Montserrat (Universitat Politècnica de Catalunya, 2019-06-10)
      Exam
      Restricted access to the UPC academic community
    • QUÍMICA (Examen 2n quadrimestre): Examen de pràctiques de laboratori 

      Salvadó Cabré, Nativitat; Papiol Vera, Emilia; Olivé Duran, Joaquim; Roset Calzada, María Lourdes; Ruiz Planas, Montserrat (Universitat Politècnica de Catalunya, 2019-06-10)
      Exam
      Restricted access to the UPC academic community
    • QUÍMICA (Examen 2n quadrimestre): Examen de reavaluació 

      Salvadó Cabré, Nativitat (Universitat Politècnica de Catalunya, 2020-06-18)
      Exam
      Restricted access to the UPC academic community
    • QUÍMICA (Examen 2n quadrimestre): Examen de reavaluació 

      Salvadó Cabré, Nativitat; Papiol Vera, Emilia; Olivé Duran, Joaquim; Roset Calzada, María Lourdes; Ruiz Planas, Montserrat (Universitat Politècnica de Catalunya, 2019-06-26)
      Exam
      Restricted access to the UPC academic community
    • SR-XRD and SR-FTIR study of the alteration of silver foils in medieval paintings 

      Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Labrador, A.; Cinque, Gianfelice; Emerich, Hermann; Pradell Cara, Trinitat (2011)
      Article
      Restricted access - publisher's policy
      Altarpieces and polychrome carved wood from the fifteenth century AD usually exhibit golden and silvery areas by the application of a very thin foil of metal. The metal foils were normally protected from the atmosphere ...
    • The role of microspectroscopy techniques in the study of historic artworks 

      Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Pradell Cara, Trinitat (John Wiley & Sons, 2010-11)
      Article
      Restricted access - author's decision