Trace element quantification of lead based roof sheets of historical monuments by Laser Induced Breakdown Spectroscopy

Syvilay, Delphine; Texier, Annick; Arles, Adrien; Gratuze, Bernard; Wilkie-Chancellier, Nicolas; Martinez, L.; Serfaty, Sylvia; Detalle, Vincent

doi:10.1016/j.sab.2014.10.013

Cited by 21 publications

(10 citation statements)

References 22 publications

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“…Another topic recently becoming popular is the provenance or chronological study of archeological construction materials [194,195]; such studies increasingly use multivariate statistical methods, mainly PCA, DA, or SIMCA, to improve their accuracy. Archeological bone and teeth analysis by LIBS is also frequent in the literature; in recent years these studies have tended to investigate the degradation and/or diagenesis processes of such artefacts [196,197].…”

Section: Archeological and Cultural-heritage Applicationsmentioning

confidence: 99%

A critical review of recent progress in analytical laser-induced breakdown spectroscopy

Galbács

2015

Anal Bioanal Chem

161

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Laser-induced breakdown spectroscopy (LIBS) has become an established analytical atomic spectrometry technique and is valued for its very compelling set of advantageous analytical and technical characteristics. It is a rapid, versatile, non-contact technique, which is capable of providing qualitative and quantitative analytical information for practically any sample, in a virtually non-destructive way, without any substantial sample preparation. The instrumentation is simple, robust, compact, and even enables remote analysis. This review attempts to give a critical overview of the diverse progress of the field, focusing on the results of the last five years. The advancement of LIBS instrumentation and data evaluation is discussed in detail and selected results of some prominent applications are also described.

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Section: Archeological and Cultural-heritage Applicationsmentioning

confidence: 99%

A critical review of recent progress in analytical laser-induced breakdown spectroscopy

Galbács

2015

Anal Bioanal Chem

161

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“…Over the past two decades, studies in several research groups had proved that LIBS is a reliable method for solving problems related to characterization of architectural heritage materials. LIBS was adopted to analyze the constituents in pigments of mural painting [105,191,194], stones [192,195], bricks [11,196] and roof sheets [197]. For example, Brysbaert et al [198] used LIBS technique to determine the elemental contents in pigments of a wall painting at Eastern Mediterranean Bronze Age.…”

Section: Laser-induced Breakdown Spectroscopymentioning

confidence: 99%

“…Particularly, the yellow pigment was identified as ochre which has a large content of hydrated iron oxide Fe 2 O 3 -H 2 O or FeOOH (goethite). Recently, Syvilay et al [206] introduced LIBS and Laser Ablation-Inductively Coupled Plasma-Mass Spectroscopy (LA-ICP-MS) to detect the trace elements in a lead based roof sheets of Beauvais Cathedral. Similar conclusions can be drawn via both techniques (the correlation coefficient was estimated at 0.86), but LIBS is more portable and suitable to in situ analysis.…”

Section: Laser-induced Breakdown Spectroscopymentioning

confidence: 99%

Recent progress in instrumental techniques for architectural heritage materials

et al. 2019

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Both conservation and intervention methods must be compatible with each other and appropriate for the original building materials. Therefore, the characterization of historic building materials is indispensable for investigating chemical composition, micro-structure and morphological features to study the current condition, environmental influence and change mechanism due to natural aging or man-made decay processes. Given the great variety of chemicals which can be analyzed, complex problems related to architectural heritage materials are investigated via optimized methodologies. Among the existing techniques, optical microscopy (OM) is an inexpensive and dominating tool to obtain preliminary information on complex samples. Atomic force microscopy (AFM) can provide real three-dimensional topographies showing sample surface properties. Electron microscopes combined with energy dispersion X-ray analysis (EM-EDX) are the instruments specifically developed to acquire images of target materials at high magnification. Infrared and Raman spectroscopies are frequently used to characterize inorganic and organic compounds. Thermal analysis can rapidly and accurately measure changes in crystalline structure, dehydration and decomposition. X-ray based technologies have a wide range of applications as follows. X-ray fluorescence (XRF) is one of the most frequently used techniques for elemental analysis. X-ray diffraction (XRD) is a fast and inexpensive technique for the characterization of man-made and natural materials. X-ray photoelectron spectroscopy (XPS) is applied to quantify the valence and electronic levels of specific elements. X-ray absorption spectroscopy (XAS) is a powerful technique for detecting the electronic structure of matter. UV-visible (UV-vis) spectroscopy is also of great importance in architectural heritage, which can reveal different physicochemical mechanisms causing color. Laserinduced breakdown spectroscopy (LIBS) can effectively eliminate the pollution on the surface and detect the internal elements of the target material. Ion beam analysis can quantify trace elements with high sensitivity. Mass-based techniques are mainly applied to identify unknown organic substances at the molecular level. This review describes some classical applications of individual techniques and provides scientific support for scientists and engineers to make decisions in the context of architectural heritage.

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“…The characteristics of LIBS, which include remote and rapid analysis, no sample preparation, applicability to any type of sample, and potential for field portability, make this quasi nondestructive analytical technique a very attractive method . Laser‐induced breakdown spectroscopy has developed in many fields, such as the nuclear industry, aerosols analysis, cultural heritage, biology, polymers, and metallurgy, and the number of applications is still growing. The LIBS signal stems from highly nonlinear, coupled phenomena driving the sample laser ablation and the laser‐plasma interaction.…”

Section: Introductionmentioning

confidence: 99%

Analysis of time‐resolved laser‐induced breakdown spectra by mean field‐independent components analysis (MFICA) and multivariate curve resolution–alternating least squares (MCR‐ALS)

Rakwe

Rutledge

Moutiers

et al. 2017

Journal of Chemometrics

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Laser‐induced breakdown spectroscopy (LIBS) is an analytical technique allowing the determination of elemental concentrations in a variety of matrices in the solid, liquid, and gaseous phases. Because of the inherent complexity of the signal and to the high dimensionality of experimental data, chemometrics has been more and more applied in LIBS to perform samples identification or quantitative measurements. But multivariate methods can also be used for the description and physical interpretation of the plasma, particularly to exploit the temporal dimension of the LIBS signal, which is usually neglected in spectrochemical measurements. In this work, time‐resolved spectra of a pure aluminum sample were treated with 2 methods, mean field‐independent components analysis and multivariate curve resolution–alternating least squares, applying non‐negativity constraints for scores and components in both cases. Results obtained were compared with reference univariate measurements of the emission of the species of interest (ions, neutral atoms, and molecules). The interpretation of scores and components provided a physical description of phenomena that take place between species in the plasma, like ionic recombination and molecules formation. Overall, mean field‐independent components analysis and multivariate curve resolution–alternating least squares yield equivalent solutions with our dataset. This new approach is very promising for the treatment of time‐resolved data obtained by LIBS.

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Trace element quantification of lead based roof sheets of historical monuments by Laser Induced Breakdown Spectroscopy

Cited by 21 publications

References 22 publications

A critical review of recent progress in analytical laser-induced breakdown spectroscopy

A critical review of recent progress in analytical laser-induced breakdown spectroscopy

Recent progress in instrumental techniques for architectural heritage materials

Analysis of time‐resolved laser‐induced breakdown spectra by mean field‐independent components analysis (MFICA) and multivariate curve resolution–alternating least squares (MCR‐ALS)

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