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. 2023 Apr 23;9(5):e15721. doi: 10.1016/j.heliyon.2023.e15721

Table 8.

FT-IR spectrum analysis for B100.

Wave number (cm−1) Positions of infra-red bands Functional group Relative positions
3314.40 Unsaturated hydrocarbon Amine (N–H) group and alcohol (O–H) C–N Amine Far
C–O–H
2942.48 Aliphatic methyl C–H stretching and methylene C–H stretch Group CH-3-,-CH2- Far
2832.59
1653.29 Unsaturated Alkenes C=C, C–O Amide, Vinyl, Vinylidene, Cis fx1 Middle
1564.10 No effect No effect Middle
1405.98 No effect No effect Near/Finger print
1112.54 Oxygen (C–O) group, Ester C–O–C Near/Fingerprint
1019.65 Unsaturated Alkenes and Ether C=C and C–C Near/Fingerprint
584.71 No effect No effect Near/Fingerprint