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Optimal Sample Preparation for the Analysis of Micrometric Heterogeneous Samples

Beltran, Victòria ; Salvadó, Nati ; Butí, Salvador ; Cinque, Gianfelice ; Wehbe, Katia ; Pradell, Trinitat

Analytical chemistry (Washington), 2015-07, Vol.87 (13), p.6500-6504 [Periódico revisado por pares]

United States: American Chemical Society

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Título:
Optimal Sample Preparation for the Analysis of Micrometric Heterogeneous Samples
Autor: Beltran, Victòria ; Salvadó, Nati ; Butí, Salvador ; Cinque, Gianfelice ; Wehbe, Katia ; Pradell, Trinitat
Assuntos: Analytical chemistry ; Anàlisi espectral ; Carbon ; Diffraction ; Enginyeria química ; Espectroscòpia infraroja ; Microscopy ; Optimization ; Paints ; Protective coatings ; Química analítica ; Química de superfícies ; Scanning electron microscopy ; Spectrum analysis ; Strontium ; Symbols ; Synchrotron radiation ; X-ray diffractometer ; X-ray spectroscopy ; Àrees temàtiques de la UPC
É parte de: Analytical chemistry (Washington), 2015-07, Vol.87 (13), p.6500-6504
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: 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 sample manipulation and preparation is required to avoid, as much as possible, sample contamination, which may strongly limit the materials identification. The method proposed consists in the application of thin gold or carbon protecting layers before embedding the samples in synthetic resin for microtoming. The validity and optimal procedure is checked for those materials most often found on the surface of paintings: varnishes (natural resins and wax). An artwork sample is similarly prepared and analyzed by optical microscopy (OM), scanning electron microscopy (SEM/EDS), micro-infrared spectroscopy (μFTIR/μSR-FTIR), and X-ray diffraction (μSR-XRD) with synchrotron light.
Editor: United States: American Chemical Society
Idioma: Inglês

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Optimal Sample Preparation for the Analysis of Micrometric Heterogeneous Samples

Beltran, Victòria ; Salvadó, Nati ; Butí, Salvador ; Cinque, Gianfelice ; Wehbe, Katia ; Pradell, Trinitat

United States: American Chemical Society

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