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Heritage Science
Fig. 20 | Heritage Science

Fig. 20

From: Evaluation of novel cleaning systems on mock-ups of unvarnished oil paint and chalk-glue ground within the Munch Aula Paintings Project

Fig. 20

Micrographs (×5 objective lens) in slight raking light of M2 paint mock-ups before (BC) and after (AC) cleaning with Nanorestore Gels® series. The M2-Pu mock-up (left) was cleaned with a Peggy 6 gel and indicates good soiling removal (rating 5) but trace pigment loss on gel (rating 4). The M2-Pd mock-up (right) was cleaned with a MWR gel and indicates satisfactory soiling removal (rating 4) and minimal pigment loss (rating 3) (arrows)

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