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Table 3 Summary of the results of the stratigraphy of microsample A1 based on SEM–EDS and molecular spectroscopies, for more details please see text

From: Silver paints in medieval manuscripts: a first molecular survey into their degradation

A1 Layer 1 Layer 2 Layer 3 Layer 4
Ground Blue colour (filler and azurite) Pink colour Silver
SEM image
EDS results* Ca, S (gypsum)
Pb (lead white)
Ag (silver leaf)
Ca (Chalk)
Cu (azurite)
Ca, K, S (pink pigment lake)
Al, Si (lapis lazuli)
Ag (silver leaf)
Cu (azurite)
Pb (lead white)
Ag, S (Ag2S)
  1. * Elements C and O are always present in EDS spectra