The only surviving Medieval codex of Galician-Portuguese secular poetry: tracing history through luxury pink colors

Heritage Science

Table 4 Absorption maxima, as well as fluorescence excitation and emission maxima for: pink historical reconstructions applied as paints using gum Arabic and mesquite gum; pinks seen in the Ajuda Songbook’s architectural backgrounds; pinks found in books of hours (Ms.22 e Ms.24, Mafra National Palace collection)

	λ_abs (nm)	λ_exc (nm)	λ_em (nm)	Formulation	References
Pink historical reconstructions	556–565	553–556	581–588, 602		–
Ajuda Songbook BW1-type spectra	557–567	552–561	582–586	Lead white, calcium carbonate	[7, 14]
Books of hours	552–559	556–560	585–590		[7, 11]
BW2-type spectra		555–562	594–602	Calcium carbonate, gypsum	[7]
BW3-type spectra		553–564	590–600	Calcium carbonate, higher amounts of gypsum	[7]

Data presented refer to clusters BW1, BW2, and BW3. For more details, please see Fig. 11 and text