Pigment analysis

Pigment analysis, using Raman spectroscopy. The analysis was carried out at the Ångström Laboratory, Uppsala University. A series of in-depth articles on the Raman results is underway and will soon be published in a scientific journal. The full report will be available on the website in August, 2024. The main author of the report is Dr. Lars Helldahl.

Click here for the Report

Click here for the Research Article
The painting being analyzed at the Ångström Laboratory.
Ångström Laboratory.
Ångström Laboratory.

Photomicrograph of the partially cleaned area H, located on Domitian’s muscle cuirass. The brownish colored varnish is still present on top of the light blue grey color. Pigments visible in the image are: Orange/yellow, blue, red, green and white. We have not yet been able to identify the blue and green pigments in this area.

Below, a selection of spectra.

Ultramarine (lapis lazuli)

Cinnaber

Cerussite (natural lead white)

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Roman emperor Domitian, Leonardo da Vinci, Titian, Tizian, Tiziano Vecellio, Roman emperors, Eleven Caesars, Undici Cesari, Domitianus, Isabella d’Este, Federico II Gonzaga, Mantova, Mantua, Italy, Francis I, Amboise France, Charles I England.