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@article{1503165,
author = {Pospíšilová, Eva and Novotný, Karel and Pořízka, Pavel and Hradil, David and Hradilová, Janka and Kaiser, Jozef and Kanický, Viktor},
article_location = {Oxford},
article_number = {SEP},
doi = {http://dx.doi.org/10.1016/j.sab.2018.05.018},
keywords = {LIBS; XRF; depth profiling; paintings; ablation rate},
language = {eng},
issn = {0584-8547},
journal = {Spectrochimica Acta, Part B: Atomic Spectroscopy},
title = {Depth-resolved analysis of historical painting model samples by means of laser-induced breakdown spectroscopy and handheld X-ray fluorescence},
url = {https://www.sciencedirect.com/science/article/pii/S0584854717305542},
volume = {147},
year = {2018}
}
TY - JOUR
ID - 1503165
AU - Pospíšilová, Eva - Novotný, Karel - Pořízka, Pavel - Hradil, David - Hradilová, Janka - Kaiser, Jozef - Kanický, Viktor
PY - 2018
TI - Depth-resolved analysis of historical painting model samples by means of laser-induced breakdown spectroscopy and handheld X-ray fluorescence
JF - Spectrochimica Acta, Part B: Atomic Spectroscopy
VL - 147
IS - SEP
SP - 100-108
EP - 100-108
PB - Elsevier
SN - 05848547
KW - LIBS
KW - XRF
KW - depth profiling
KW - paintings
KW - ablation rate
UR - https://www.sciencedirect.com/science/article/pii/S0584854717305542
L2 - https://www.sciencedirect.com/science/article/pii/S0584854717305542
N2 - Paintings represent composed materials arranged in successive layers. Development of a suitable method for a depth-profiling analysis is essential for acquiring the information on the stratigraphy as well as on the chemical composition of individual layers, revealing the pigments which had been used. In this study, a depth-resolved analysis of multi-layered model samples of historical easel paintings was performed by means of laser-induced breakdown spectroscopy (LIBS) in combination with non-invasive X-ray fluorescence (XRF). The LIBS analysis was carried out using modified laser ablation system, UP-266 MACRO, equipped with a Czerny-Turner spectrometer. The XRF analysis was performed by handheld spectrometer, Delta Premium. In LIBS experiments, a set of six spots was examined with 5, 10, 15, 20, 25 and 30 pulses respectively, for each of the studied paint samples. Digital and 3D optical microscopy was employed to measure individual layer thickness and to obtain the information on average ablation rates of each sample. The chemical composition of the model samples with each layer partly uncovered was known, and this enabled to directly compare the results obtained by LIBS depth profiling with a fast analysis carried out with the handheld XRF spectrometer. The LIBS depth profiling proved to be a suitable method to distinguish layers of a different material composition and estimate their thickness. The combined use of LIBS and XRF analyses offered essential complementary information on the elemental composition of analysed multi-layered samples.
ER -
POSPÍŠILOVÁ, Eva, Karel NOVOTNÝ, Pavel POŘÍZKA, David HRADIL, Janka HRADILOVÁ, Jozef KAISER and Viktor KANICKÝ. Depth-resolved analysis of historical painting model samples by means of laser-induced breakdown spectroscopy and handheld X-ray fluorescence. \textit{Spectrochimica Acta, Part B: Atomic Spectroscopy}. Oxford: Elsevier, 2018, vol.~147, SEP, p.~100-108. ISSN~0584-8547. Available from: https://dx.doi.org/10.1016/j.sab.2018.05.018.
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