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Fig. 5 | Heritage Science

Fig. 5

From: Organic colorants based on lac dye and brazilwood as markers for a chronology and geography of medieval scriptoria: a chemometrics approach

Fig. 5

Lac dye paints, representative excitation and emission spectra for each group compared with reference paints applied, using glair as binding medium, on filter paper; for Lac 2 group it was not possible to find a match with a medieval reconstruction. Lac 1, ALC 412 f. 10v with an ibn Bādīs reconstruction. Lac 3, ALC 247 f. 21v with a Mappae Clavicula reconstruction. Lac 4, ALC 238 f. 206v Jean le Begue, recipe 309, reconstruction

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