Table 2 Elements compositions in the pigment particles

From: Integrated analytical study of materials and degradation in the Ming Dynasty loess wall paintings at Shaanxi Suide Guanyin Temple, China

Sample

Colour

Elements

SP-1

Green

Cu, Cl, Si, Ca, Fe, S, K, Pb and Ti

Black

Si, Ca, Cu, Fe, K, S, Pb and Ti

SP-2

Red

Si, Hg, Ca, Fe, K, S, Ti and Pb

SP-3

Reddish orange

Pb, Si, Ca, Fe, K, Zr and Ti

SP-4

White

Ca, Si, Al, Fe, K, S, Pb and Ti