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. 2020 Jul 18;13(14):3208. doi: 10.3390/ma13143208

Figure 2.

Figure 2

Fourier-transform infrared spectroscopy (FT-IR) spectra of wool (RV), chitosan in granulates (H), physically modified wool with 1% (m/V) chitosan at pH = 5 (V + H5) and pH = 7 (V + H7), and the grafting procedure (G).