The Rediscovery of Jan Ruyscher and Its Consequence

Fiorillo, Flavia; Hendriks, Laura; Hajdas, Irka; Vandini, Mariangela; Huysecom, Éric

doi:10.1080/01971360.2020.1822702

Cited by 5 publications

(5 citation statements)

References 19 publications

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“…Thorough spectral analysis and characterization methods of sample material is essential in choosing most promising fraction or component. For example, proper selection of the binder or pigments from paintings for radiocarbon dating requires characterization of the paint layer using FTIR 274,275 , Raman spectroscopy, X-ray fluorescence 276 , X-ray diffraction and/or gas chromatography-mass spectrometry [277][278][279][280] . These tools are also useful to control the purity of fibers, wood and paper.…”

Section: [H2] Cultural Heritagementioning

confidence: 99%

“…Bayesian models, which include prior information such as artist's creative period, might be helpful in narrowing the calibrated calendar ages 280,285 .…”

Section: [H2] Cultural Heritagementioning

confidence: 99%

“…The F 14 C in fat cells, blood, nails, hair, skin collagen and bone lipids, which are constantly renewing, is in equilibrium with the diet's 14 C signature 256 372 . (lead white), canvas or wood are inspected under a stereomicroscope, and analysed using arrange of techniques including FTIR 274,275 , Raman spectroscopy 373,374 , XRF 276 , XRD 375 , GC-MS [277][278][279][280] to assist in the formulation of appropriate research questions and sampling strategies.…”

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confidence: 99%

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Radiocarbon dating

Hajdas

Ascough

Garnett

et al. 2021

Nat Rev Methods Primers

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Radiocarbon dating uses the decay of a radioactive isotope of carbon ( 14 C) to measure time and date objects containing carbon-bearing material. With a half-life of 5,700 ± 30 years, detection of 14 C is a useful tool for determining the age of a specimen formed over the last 55,000 years. In this Primer, we outline key advances in 14 C measurement and instrument capacity, as well as optimal sample selection and preparation. We discuss data processing,

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Section: [H2] Cultural Heritagementioning

confidence: 99%

“…Bayesian models, which include prior information such as artist's creative period, might be helpful in narrowing the calibrated calendar ages 280,285 .…”

Section: [H2] Cultural Heritagementioning

confidence: 99%

mentioning

confidence: 99%

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Radiocarbon dating

Hajdas

Ascough

Garnett

et al. 2021

Nat Rev Methods Primers

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“…During the investigation of an oil painted wooden panel, the presence of Laropal ® A81 , a modern aldehyde resin restoration varnish, penetrated though the paint layer preventing the dating of the natural organic binder. Although the wooden panel dating post‐dated the artist death and gave a clear sign of forgery, no further evidence could be brought to support the hypothesis that the investigated painting was forged as a result of Jan Ruyscher ’s rediscovery in the 1930s [42] . The study of an eclectic selection of oil on canvas paintings was met with mitigated results.…”

Section: Radiocarbon (14c) Dating and Heritage Sciencementioning

confidence: 97%

“…Although the wooden panel dating post-dated the artist death and gave a clear sign of forgery, no further evidence could be brought to support the hypothesis that the investigated painting was forged as a result of Jan Ruyscher's rediscovery in the 1930s. [42] The study of an eclectic selection of oil on canvas paintings was met with mitigated results. In two out of three cases, the 14 C age determined from the binding media proved to be a reliable asset in establishing the object's historical context.…”

Section: Radiocarbon ( 14 C) Dating and Heritage Sciencementioning

confidence: 99%

Compound Specific Radiocarbon (¹⁴C) Dating of Our Colorful Past: from Theory to Practice

Hendriks

Portmann

2022

Helvetica Chimica Acta

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For generations, humanity has preserved customs, places, objects, artistic expressions, and values – our cultural heritage. The use of color on cultural heritage objects is ubiquitous and found on artefacts from prehistoric rock art to present day contemporary artworks. The chemical identification of the colored materials used within an artwork often provides information about the work's origin. At the simplest level, a comparison of the materials present with information on their first date of discovery indicates the earliest possible period in which the colored artefact was created. More precise constraints on the date of creation can be provided by radiocarbon (14C) dating, however until today no such analysis has ever been conducted on the compounds responsible for the object's color. The analysis of natural organic dyes and pigments is challenging, as the limited sampling access, their low concentrations and presence in highly complex matrix, are all major challenges to be overcome. The separation of intermingled carbon sources is without question the most difficult problem, yet feasible with the help of compound specific radiocarbon analysis (CSRA). Here, we discuss the potential of radiocarbon dating isolated natural organic dyes and pigments and explore new routes to date cultural heritage objects.

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