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Heritage Science. In their Research Article (e202216478), Victor Gonzalez et al. report the detection and distribution of lead(II) formate in Rembrandt's Night Watch from the macro‐ to the microscale.
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,...