Fig. 5

Normalised XPS spectra for CY paint samples on oil primed canvas aged at 50% RH and 75% RH with ambient light and elevated light conditions respectively, left to right, for environments: a C 1s; b O 1s; c Mg 1s; d S 2p; e Cd 3d

Normalised XPS spectra for CY paint samples on oil primed canvas aged at 50% RH and 75% RH with ambient light and elevated light conditions respectively, left to right, for environments: a C 1s; b O 1s; c Mg 1s; d S 2p; e Cd 3d