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@article{1322937,
author = {Košařová, Veronika and Hradil, David and Hradilová, Janka and Čermáková, Zdeňka and Němec, Ivan and Schreiner, Manfred},
article_number = {March},
doi = {http://dx.doi.org/10.1016/j.saa.2015.11.027},
keywords = {Micro-Raman spectroscopy; Portable Raman spectrometry; Modern paints},
language = {eng},
issn = {1386-1425},
journal = {Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy},
title = {The efficiency of micro-Raman spectroscopy in the analysis of complicated mixtures in modern paints: Munch's and Kupka's paintings under study},
url = {http://www.sciencedirect.com/science/article/pii/S1386142515303164},
volume = {156},
year = {2016}
}
TY - JOUR
ID - 1322937
AU - Košařová, Veronika - Hradil, David - Hradilová, Janka - Čermáková, Zdeňka - Němec, Ivan - Schreiner, Manfred
PY - 2016
TI - The efficiency of micro-Raman spectroscopy in the analysis of complicated mixtures in modern paints: Munch's and Kupka's paintings under study
JF - Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
VL - 156
IS - March
SP - 36-46
EP - 36-46
PB - Elsevier Science
SN - 13861425
KW - Micro-Raman spectroscopy
KW - Portable Raman spectrometry
KW - Modern paints
UR - http://www.sciencedirect.com/science/article/pii/S1386142515303164
N2 - Twenty one mock-up samples containing inorganic pigments primarily used at the turn of the 19th and 20th century were selected for comparative study and measured by micro-Raman and portable Raman spectrometers. They included pure grounds (chalk-based, earth-based and lithopone-based), grounds covered by resin-based varnish, and different paint layers containing mixtures of white, yellow, orange, red, green, blue and black pigments, usually in combination with white pigments (titanium, zinc and barium whites or chalk). In addition, ten micro-samples obtained from seven paintings of two world-famous modern painters Edvard Munch and František Kupka have been investigated. Infrared reflection spectroscopy (FTIR), portable X-ray fluorescence (XRF) and scanning electron microscopy with energy dispersive spectroscopy (SEM–EDS) were used as supplementary methods. The measurements showed that blue pigments (ultramarine, Prussian blue and azurite), vermilion and ivory black in mixture with whites provided characteristic Raman spectra, while Co-, Cd- and Cr- pigments' bands were suppressed by fluorescence. The best success rate of micro-Raman spectroscopy has been achieved using the 780 nm excitation, however, the sensitivity of this excitation laser in a portable Raman instrument significantly decreased. The analyses of micro-samples of paintings by E. Munch and F. Kupka showed that micro-Raman spectroscopy identified pigments which would remain unidentified if analyzed only by SEM–EDS (zinc yellow, Prussian blue). On the other hand, chromium oxide green and ultramarine were not detected together in a sample due to overlap of their main bands. In those cases, it is always necessary to complement Raman analysis with other analytical methods.
ER -
KOŠAŘOVÁ, Veronika, David HRADIL, Janka HRADILOVÁ, Zdeňka ČERMÁKOVÁ, Ivan NĚMEC and Manfred SCHREINER. The efficiency of micro-Raman spectroscopy in the analysis of complicated mixtures in modern paints: Munch's and Kupka's paintings under study. \textit{Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy}. Elsevier Science, 2016, vol.~156, March, p.~36-46. ISSN~1386-1425. Available from: https://dx.doi.org/10.1016/j.saa.2015.11.027.
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