Composition of model paint samples as obtained from the manufacturer and elemental analysis.

Manufacturer/series	Brand colour (and number)/pigment used¶	Pigment chemical composition or formula	Elemental composition of unadulterated model paint samplesa	Additives added during preparation of model paint samples in 2006 (ref. 18)	Model paint acronyms
Winsor & Newton/Artists' Oil Colour	Cobalt blue deep (180)/PB74	Co–Zn silicate (Co, Zn)2SiO4	Co, Zn, si, O, Mg, C, Ba	None	WNCB
				2% margaric acid	WNCBFA
				2% Zn stearate	WNCBZS
				2% Al stearate	WNCBAS
Talens/Rembrandt Oil Colour	Cobalt blue (513)/PB28	Cobalt aluminate (blue Spinel) (CoAl2O4)	Co, Al, O, Ca, C, Zn, Mg	None	TACB
				2% margaric acid	TACBFA
				2% Zn stearate	TACBZS
				2% Al stearate	TACBAS
Winsor & Newton/Artists' Oil Colour	Raw sienna (552)/PY42, PY43	Natural iron oxide, (PY43: Fe2O3·H2O with impurities) synthetic iron oxide (PY42: Fe2O3·H2O)	Fe, O, Ca, C, K, Al, Si (Zn)	None	WNRS
				2% margaric acid	WNRSFA
				2% Zn stearate	WNRSZS
				2% Al stearate	WNRSAS

^aResults obtained via SEM-EDX analysis of the unadulterated model paint samples.²³