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Heritage Science
Fig. 14 | Heritage Science

Fig. 14

From: Selective damage induced by pigment-medium interactions in a Neoplasticist oil canvas painting: Composition dans le cône avec couleur orange by G. Vantongerloo (1929)

Fig. 14

Identification of natural resin in the black area: a ATR-FTIR analysis of sample 6 shows the characteristic peaks attributable to a natural resin; b chromatographic analysis made it possible to observe the characteristic peaks corresponding to a terpenic component characteristic of rosin (tetradehydroabietic acid, 7-methoxy ME which is a derivative of abietic acid); mass plectrum e chemical structure of tetradehydroabietic acid, 7-methoxy ME

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