A TXRF and Micro-Raman Spectrometric Reconstruction of Palettes for Distinguishing Between Scriptoria of Related Medieval Manuscripts

Hooydonk, G. Van; Reu, Martine De; Moëns, Luc; Aelst, J. Van; Milis, Ludovicus

doi:10.1002/(sici)1099-0682(199805)1998:5<639::aid-ejic639>3.0.co;2-q

Cited by 26 publications

(13 citation statements)

References 14 publications

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“…This was demonstrated in a recent paper (25) on the analysis of automotive paints using this technique; although lead was one of the elements examined in this work, zirconium and niobium were not. Such levels can also be detected using total reflection X‐ray fluorescence (TXRF) spectrometry, which has been used for the analysis of pigments in works of art and in manuscript inks (26–32).…”

mentioning

confidence: 99%

Infrared Spectra of U.S. Automobile Original Finishes. VII. Extended Range FT‐IR and XRF Analyses of Inorganic Pigments In Situ—Nickel Titanate and Chrome Titanate

Suzuki¹,

McDermot²

2006

Journal of Forensic Sciences

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The identification, analysis, and occurrence in U.S. automobile original finishes (1974-1989) of Nickel Titanate (yellow) and Chrome Titanate (yellow-orange) are described in this report. The titanate pigments are based on the rutile (titanium dioxide) structure and there are only minor differences between the infrared absorptions of rutile and the titanates. Titanate pigment absorptions in paint spectra can thus be easily mistaken for those of rutile. Each of the titanates, however, contains two elements in addition to titanium that can serve to distinguish them using elemental analyses. Fourier transform infrared (4000-220 cm(-1)) and X-ray fluorescence instruments were used in combination for the in situ analysis of the titanates. In addition to titanium, nickel, and antimony, the three main detectable elements comprising Nickel Titanate, all of the commercial products of this pigment that were examined also contained impurities of zirconium, niobium, and usually lead. These elements were also detected in most of the monocoats in which Nickel Titanate was identified, as well as in the Chrome Titanate pigments, and the zirconium to niobium ratio was found to exhibit a wide variation. Nickel Titanate is a relatively common pigment that was identified in nearly three dozen U.S. automobile yellow nonmetallic monocoats (1974-1989), while Chrome Titanate appears to have been used in only a few yellow and orange nonmetallic monocoats. The use of the titanate pigments likely increased after this time period as they were replacements for lead chromate pigments (last used in a U.S. automobile original finish in the early 1990s), and are more amenable for use in basecoat/clearcoat finishes than in monocoats. Minor distortions of the infrared absorptions of rutile, anatase, and the titanates obtained using accessories with diamond windows were noted, and their origins are discussed.

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confidence: 99%

Infrared Spectra of U.S. Automobile Original Finishes. VII. Extended Range FT‐IR and XRF Analyses of Inorganic Pigments In Situ—Nickel Titanate and Chrome Titanate

Suzuki¹,

McDermot²

2006

Journal of Forensic Sciences

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“…All the XRF spectra collected from the dark and bright areas in the miniatures and from the blue decorations on the page borders showed intense copper signals, as well as signals of barium and zinc; these latter elements were indicated in the literature as possible impurities of natural azurite [11,21], since their presence can be related to the geo-chemical processes of formation of the deposits. A fairly linear relationship between the counts of copper and barium and between those of copper and zinc emerged (Figure 3) and seems to confirm the use of natural azurite throughout the manuscript.…”

Section: Blue Pigmentsmentioning

confidence: 99%

“…Moreover, a particular set of colourants, along with the compositions of the material employed, may lead to the identification of scriptoria and workshops or to the recognition of the intervention of different hands upon a series of codices or within a single manuscript. More generally, the knowledge of the materials employed expands the information available on a specific book, on the artists who decorated it and on the institutional or private clients for which the book was produced [9][10][11][12].…”

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confidence: 99%

On the Hierarchical Use of Colourants in a 15th Century Book of Hours

et al. 2021

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An illuminated Book of Hours (in use in Chalon-sur-Saône) currently owned by the Museo Civico di Arte Antica and displayed in the prestigious Palazzo Madama in Torino (Italy) was investigated by means of optical microscopy, fibre optic reflectance spectroscopy, fibre optic molecular fluorimetry, X-ray fluorescence spectrometry and Raman spectroscopy. The aim of the scientific survey was to expand the knowledge of the manuscript itself and on the materials and techniques employed by Antoine the Lonhy, the versatile itinerant artist who decorated the book in the 15th century. The focus was to reveal the original colourants and to investigate the pigments used in rough retouches which were visible in some of the miniatures. The investigation was carried out in situ by portable instruments according to a non-invasive analytical sequence previously developed. It was evident that the use of different pigments by the master was ruled, at least partially, by a hierarchical scheme in which more precious materials were linked to the most important characters or details in the painted scene.

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“…the different authors who contributed in its creation. This can be revealed if authors used materials that can be someway distinguished: an example is the palette used in a painting . The identification of different hands provides useful information for a thorough comprehension of the artwork, such its meaning and symbolic value, its conservation and restoration history, etc.…”

Section: Introductionmentioning

confidence: 99%

Characterisation of the different hands in the composition of a 14th century breviary by means of portable XRF analysis and complementary techniques

Aceto

Agostino²,

Fenoglio

et al. 2017

X-Ray Spectrom.

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A TXRF and Micro-Raman Spectrometric Reconstruction of Palettes for Distinguishing Between Scriptoria of Related Medieval Manuscripts

Cited by 26 publications

References 14 publications

Infrared Spectra of U.S. Automobile Original Finishes. VII. Extended Range FT‐IR and XRF Analyses of Inorganic Pigments In Situ—Nickel Titanate and Chrome Titanate

Infrared Spectra of U.S. Automobile Original Finishes. VII. Extended Range FT‐IR and XRF Analyses of Inorganic Pigments In Situ—Nickel Titanate and Chrome Titanate

On the Hierarchical Use of Colourants in a 15th Century Book of Hours

Characterisation of the different hands in the composition of a 14th century breviary by means of portable XRF analysis and complementary techniques

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