Use the analyze function group that occurs during the reaction of Chitosan. Glycerol homogenization of NaCl in the wavelength range 650-4000 cm-1 as shown in Figure 2, the film has found that control the infrared radiation absorption wave numbers cm-1 and cm-1 this range 1538 1633 depending of the amide I band, listening to village (C-O stretching) and amide II band (N-H bending) amide, respectively III band characterized as p 1380-1400 cm-1 area khalek (C-N N-H bending and stretching) and PC mix is 1, 2 897 cm-1 amines.
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