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The presented Humboldt Codices are from the early colonial period of Mexico and originate from different localities
1. typical indigen colors and mixtures:
cochineal (red), indigo (blue and green), carbon (black),
mangle, zacatlaxcalli, organic (brown, yellow)- critical!
2. colonial influence:
iron gall ink for writing
3. single fragments belong together:
are cut (fragments IX-XII),
from Mizquahuala distributed (VII, XIII, XIV, [XV]) (VII, XIII in Mexico, XIV in Paris)
VIS-Spectroscopy of Aztec colors. Possible application of a non-destructive analytical method
(2020)
VIS-spectrometry is a rapid, non- invasive, mobile method that offers a first overview of possible colorants used for painting. This is worked out in detail for European paintings and applied for artefacts and illuminated manuscripts. Manuscripts from Asia for example show colorful decoration identified to be mostly prepared with mineral pigments such as cinnabar, azurite, malachite or orpiment, which can be well confirmed by elemental analyses due to their color-giving metal ions. This is not the case for the colorants used in pictorial manuscripts from pre-Hispanic America, painted mainly with organic dyes from plants. The palette of colors used by the Aztecs is very rich due to their extensive empire and long- distance communication with vassal states liable to tributes including dyes of high quality. These include for example red cochineal, yellow zacatlaxcalli, tagetes, safflower, and achiotl, as well as blue indigo, or matlalli.