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Heritage Science
Fig. 6 | Heritage Science

Fig. 6

From: Infrared spectroscopy reveals the reactivity of fatty acids on copper surfaces and its implications for cultural heritage objects

Fig. 6

Time drive of the C8, C10, C12 carboxylic acid removal and carboxylate bands formation on clean/polished pure copper surface; data from maximum height values of acid carbonyl and carboxylate maxima after consecutive infrared runs (see main text). Values in C8 and C10 are reported after previous compensation for acid evaporation. For all acids, representative runs are shown, (see Materials and Methods)

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