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Heritage Science
Fig. 1 | Heritage Science

Fig. 1

From: Formation of zinc oxalate from zinc white in various oil binding media: the influence of atmospheric carbon dioxide by reaction with 13CO2

Fig. 1

Changes in the FTIR-ATR spectrum of zinc white (B/P = 90) in linseed oil with 5%(w/w) Siccative de Haarlem as a function of UVA/RH treatment together with the reference spectrum of zinc oxalate (a), and the oil film after drying in the dark (b). The treatment, in hours, given to the sample is shown in the spectra (c–h). The first number indicates UVA exposure hours and the second hours in the desiccator filled with water. The arrows indicate the appearance of zinc oxalate’s characteristic IR bands. Notice the development in the spectrum for (e) 224/408 compared to (d) 224/0

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