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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: Funerary colors in Pre-classical Maya culture: the red pigment in the 19th tomb of Rio Azul (Peten, Guatemala)

Fig. 7

a Chromatogram of the chloroform phase from sample 2. Compounds identified: (1) decanedioic acid, ethyl ester; (2) compound of diene conjugated type; (3) tetradecanoic acid, ethyl ester; (4) isomer of compound 2; (5) hexadecanoic acid, ethyl ester; (6) cis/trans 9-octadecenoic acid, ethyl ester; (7) octadecanoic acid, ethyl ester; b chromatogram of the laboratory blank

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