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Fig. 14 | Heritage Science

Fig. 14

From: Reviving WHAAM! a comparative evaluation of cleaning systems for the conservation treatment of Roy Lichtenstein’s iconic painting

Fig. 14

FTIR-2D imaging of the black Golden MSA paint mock-up, showing an area cleaned with Nanorestore Gel® Peggy 6 and cleared with Nanorestore Gel® Peggy 6 hydrogel with an exposure time: 1 min (a, b), and control soiled (c, d) and unsoiled areas (e, f). For each area, the images besides the visible map show the corresponding 2D FTIR maps, where the intensity of the negative band at the 1251 cm−1 (C–O stretching of PVA, marked with an asterisk) was imaged. All maps are 700 × 700 µm2. The corresponding FTIR spectra are shown in the right panel; each spectrum relates to a single pixel (5 × 5 µm2) of the corresponding 2D imaging map

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