An Enhanced GC/MS Procedure for the Identification of Proteins in Paint Microsamples

Table 1

List of binders and pigments used as reference materials.

Pigment	Binder			Sample name
	Whole egg	Animal glue	Whole milk
None	X			We
None		X		Ag
None			X	Wm
Azurite	X			Az-We
Azurite		X		Az-Ag
Azurite			X	Az-Wm
Minium	X			Mi-We
Minium		X		Mi-Ag
Minium			X	Mi-Wm
Prussian blue	X			Pb-We
Prussian blue		X		Pb-Ag
Prussian blue			X	Pb-Wm
Red ochre + gypsum	X	X		Ro/Gy-We/Ag
Red ochre + gypsum		X		Ro/Gy-Ag
Red ochre + gypsum		X	X	Ro/Gy-Wm/Ag