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Heritage Science
Figure 5 | Heritage Science

Figure 5

From: Examination of historical paintings by state-of-the-art hyperspectral imaging methods: from scanning infra-red spectroscopy to computed X-ray laminography

Figure 5

Antillean folk art painting (8×8 cm2), of assumed 20thCentury origin. A) Visual image; MA-rFTIR chemical distribution images: B) cadmium lithopone (1173–1260 cm-1), C) chrome yellow (890–950 cm-1), D) phthalocyanine blue (729–740 cm-1) and E) phthalocyanine green (747–762 cm-1); MA-XRF elemental distribution maps of F) cadmium, G) chromium, H) copper and I) chlorine: lighter tones indicate higher levels of net pseudo absorbance or X-ray fluorescence intensity; J) Photograph of MA-rFTIR device in front of a large canvas, scanned area: 76×76 mm2, step size: 1 mm in both directions, dwell time: 8 s/pixel. Adapted from [44].

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