Use the analyze function group that occurs during the reaction of Chitosan. Glycerol homogenization of NaCl in the wavelength range 650-4000 cm-1, shown in Figure 2, find that the film, there is absorption of infrared radiation and wave number 1633 cm-1 1538 cm-1 this range depends on the amide I band of listening-villages (C-O stretching) and amide II band (N-H bending) amide III band characterized as PC 1370-1400 cm-1 area khalek (C-N N-H bending and stretching), and touch is 1, 2 897 cm-1 amines.
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