Historical Pigments: A Survey of Analytical Chemical Archaeometric Usage and Terminology for Forensic Art Analysis

Edwards, Howell G. M.

doi:10.1002/9780470027318.a9527

Cited by 6 publications

(5 citation statements)

References 23 publications

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“…The sampling scheme, as dictated by paint condition, is shown in Figure 3. Raman spectroscopy is now a well established analytical technique for the characterization of pigments and their substrates on frescoes, paintings, and on decorated artefacts comprising a range of materials, including wood, ceramics, and metals [27][28][29][30][31][32][33]. Even in complex mixtures the key spectral band signatures can be identified and correlated with the use of particular pigments either alone or in admixture [34,35] (Table 1).…”

Section: Methodsmentioning

confidence: 99%

Raman Spectroscopic Analysis of an Early 20th Century English Painted Organ Case by Temple Moore

et al. 2020

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An organ case from Lincoln, England, designed by the architect Temple Moore in 1907 was examined during conservation work using Raman spectroscopy in order to analyze the decorative paint composition. Samples from the six principal colours were extracted and examined using a Bruker Senterra R200-L spectrometer. The results are the first known formal analysis of a painted scheme by this architect, and they reveal a mixture of commonly used pigments for the period and the unexpected use of simpler, earth pigments, along with an unusual admixture in the red, along with an organic additive. The findings are of importance to both the conservation of Temple Moore’s artwork, in understanding the experimentation used in early twentieth-century England, and in furthering our knowledge of ecclesiastical decorative artwork of the late nineteenth and early twentieth centuries.

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Section: Methodsmentioning

confidence: 99%

Raman Spectroscopic Analysis of an Early 20th Century English Painted Organ Case by Temple Moore

et al. 2020

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“…Due to their compositional similarities, it is not always possible to distinguish natural cinnabar (cinnabar) from synthetic (vermilion), using analytical techniques. Despite that, the electrochemical characteristics of impurities involved in the formation process could provide information that is helpful for resolving this issue [46][47][48].…”

Section: Discussionmentioning

confidence: 99%

Multianalytical Non-Invasive Characterization of ‘Mater Boni Consilii’ Iconography Oil Painting

Valentini

Angelis

Marinelli³

et al. 2023

Heritage

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This paper presents the results of non-invasive diagnostic investigations performed on the canvas oil painting depicting the Marian iconography “Mater Boni Consilii”. The painting, whose author and origin are unknown, was found in an old shop in Florence following the overflowing of the Arno River in 1966. In order to define the importance of the artwork, a multianalytical analysis was performed on the painting, using multispectral imaging, X-ray fluorescence (XRF), and Fourier Transform Infrared Spectroscopy (FTIR-ATR) for the definition of materials, with a particular focus on the identification of pigments. The results allowed for the drawing up of a color palette, composed mainly of ochre and earth pigments, cinnabar, lithopone, lead white, and ultramarine pigments. After cross-referencing the acquired information with other findings, it was possible to place the painting in the period between the end of the XIXth and the beginning of the XXth centuries.

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“…There is a large international consensus that cultural heritage must be conserved and preserved for future generations . Hence, a thorough knowledge of the pigments present in an artwork is absolutely essential to gain insight into the material composition and deterioration mechanisms in order to apply optimum restoration and conservation methodologies . In this sense, the Raman spectra of artistic pigments are specific to the vibrational modes of the molecules of an analysed work of art, property that gives to Raman spectroscopy a large potential for identifying pigments.…”

Section: Introductionmentioning

confidence: 99%

“…[25][26][27][28][29] Hence, a thorough knowledge of the pigments present in an artwork is absolutely essential to gain insight into the material composition and deterioration mechanisms in order to apply optimum restoration and conservation methodologies. [30][31][32][33] In this sense, the Raman spectra of artistic pigments are specific to the vibrational modes of the molecules of an analysed work of art, property that gives to Raman spectroscopy a large potential for identifying pigments. Nevertheless, pollutants and other environmental factors, as well as interferences from the binding media and to ageing, may have a direct impact on the quality of the Raman signal, [34][35][36][37] which contributes to the difficulties in identifying pigments by Raman spectroscopy in the form of noise.…”

Section: Introductionmentioning

confidence: 99%

Automatic morphology‐based cubic p‐spline fitting methodology for smoothing and baseline‐removal of Raman spectra

González-Vidal

Pérez-Pueyo

Soneira

2017

J Raman Spectroscopy

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Noise filtering is considered a crucial step for the proper interpretation of Raman spectra. In this work, we present a new denoising procedure which enhances the Raman information whilst reducing unwanted contributions from the most frequent noise sources, i.e. the shot noise and the fluorescence's baseline. The procedure increases the signal-to-noise ratio whilst preserving simultaneously the shapes, positions and intensity ratios of the Raman bands. The method relies on cubic penalized spline fitting and mathematical morphology and requires no user input. We describe the details of this method and include a benchmark to study the performance of the presented approach compared with the most commonly used denoising techniques. The method has been successfully applied to improve the signal quality of Raman spectra from artistic pigments. The reliable results that were obtained make the methodology a useful tool to help the analyst in the interpretation of Raman spectra from pigments in artworks. Copyright © 2017 John Wiley & Sons, Ltd.Peer ReviewedPostprint (author's final draft

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Historical Pigments: A Survey of Analytical Chemical Archaeometric Usage and Terminology for Forensic Art Analysis

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Cited by 6 publications

References 23 publications

Raman Spectroscopic Analysis of an Early 20th Century English Painted Organ Case by Temple Moore

Raman Spectroscopic Analysis of an Early 20th Century English Painted Organ Case by Temple Moore

Multianalytical Non-Invasive Characterization of ‘Mater Boni Consilii’ Iconography Oil Painting

Automatic morphology‐based cubic p‐spline fitting methodology for smoothing and baseline‐removal of Raman spectra

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