Lead(II) Formate in Rembrandt's Night Watch : Detection and Distribution from the Macro‐ to the Micro‐scale - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Angewandte Chemie International Edition Année : 2023

Lead(II) Formate in Rembrandt's Night Watch : Detection and Distribution from the Macro‐ to the Micro‐scale

Ida Fazlic
Marine Cotte
Frederik Vanmeert
Arthur Gestels
Steven de Meyer
Fréderique Broers
Joen Hermans
Annelies van Loon
Koen Janssens
Petria Noble
  • Fonction : Auteur
Katrien Keune

Résumé

The Night Watch, painted in 1642 and on view in the Rijksmuseum in Amsterdam, is considered Rembrandt's most famous work. X-ray powder diffraction (XRPD) mapping at multiple length scales revealed the unusual presence of lead(II) formate, Pb(HCOO) 2 , in several areas of the painting. Until now, this compound was never reported in historical oil paints. In order to get insights into this phenomenon, one possible chemical pathway was explored thanks to the preparation and micro-analysis of model oil paint media prepared by heating linseed oil and lead(II) oxide (PbO) drier as described in 17 th century recipes. Synchrotron radiation based micro-XRPD (SR-μ-XRPD) and infrared microscopy were combined to identify and map at the micro-scale various neo-formed lead-based compounds in these model samples. Both lead(II) formate and lead(II) formate hydroxide Pb(HCOO)(OH) were detected and mapped, providing new clues regarding the reactivity of lead driers in oil matrices in historical paintings.

Domaines

Chimie
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Origine : Publication financée par une institution
Licence : CC BY NC ND - Paternité - Pas d'utilisation commerciale - Pas de modification

Dates et versions

hal-03969238 , version 1 (20-02-2023)

Identifiants

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Victor Gonzalez, Ida Fazlic, Marine Cotte, Frederik Vanmeert, Arthur Gestels, et al.. Lead(II) Formate in Rembrandt's Night Watch : Detection and Distribution from the Macro‐ to the Micro‐scale. Angewandte Chemie International Edition, 2023, ⟨10.1002/anie.202216478⟩. ⟨hal-03969238⟩
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