Tuesday, May 15, 2018

Sorolla's Gouache Pigments

El Pan de Fiesta (Castilla) by Joaquín Sorolla
Joaquín Sorolla (1863-1923) used gouache to plan his Provinces of Spain murals (part of the finished mural above).

Some of the gouache preliminaries Provinces of Spain.



According to scientists who studied these gouache sketches, Sorolla used the following pigments:
Lead and zinc white, vermillion, earth pigments, ochre, zinc yellow, chrome yellow, ultramarine, Prussian blue, chromium based and copper–arsenic based green pigments, bone black and carbon based black pigments, and gum arabic as binding media in the gouache pigments. 
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Analysis of pigments from Spanish works of art using a portable EDXRF spectrometer
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