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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: Material properties of Islamic paper

Fig. 7

ATR-FTIR spectra of laboratory-made reference samples of cellulose coated with gum tragacanth and egg white, typical coatings used for polishing. In addition, some examples of the samples (AP98, AP133-2, AP4) that showed a peak in the range ~1720–1740 cm−1 indicating the presence of gum tragacanth

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