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. 2022 Mar 2;8(3):153. doi: 10.3390/gels8030153

Table 2.

Assignments of FTIR bands for PVA:CS: NaBr:GL solid PEs.

Samples Wavenumbers (cm−1)
C–O Band NH2 C–H Band O–H Band
CSPVNG0 1015.61 1545.66 - -
CSPVNG11 1020.04 1558.79 - 3374.36
CSPVNG22 1039.06 1559.40 2938.77 3374.69
CSPVNG33 1032.10 1559.33 2938.70 3317.19
CSPVNG44 1031.21 1559.41 2937.25 3316.19
CSPVNG55 1031.29 1559.47 2936.4 3312.77