ALTARPIECE OF THE HOLY BURIAL

SCIENTIFIC ANALYSES 

Scientific Analyses:

• Analysis of the polychrome decoration (6 samples analysed by Mercedes Barrena in the Centre for Conservation and Restoration of the Cultural Property of Castile and León):

- Preparation of gesso and protein glue on both reliefs and backgrounds and in paintings. 

- White lead primer and traces of black smoke in paintings.

- The red of the frame is a coat of minium and vermillion to which

- Blue protein temper.

- In the fleurs-de-lis, traces of rags with linen fibres adhered to the bottom with protein glue.

• Support Analyses: Infrared Spectography, X-Ray Diffraction, Carbon and Sulphur Elemental Analysis, X-Ray Fluorescence:

Baked white clay

*Data taken from the Restoration Dossier compiled by the Centre of Conservation and Restoration of the Cultural Property of Castile and León, 2001.