Table 3 FTIR analysis result of raw nendran banana peel powder
RANGE | ABSORPTION | BOND | FUNCTIONAL GROUP | APPEARANCE |
|---|---|---|---|---|
3295.83 | 3333- 3267 | C-H stretching | Alkyne | Strong, sharp |
2919.23 | 3000 – 2840 | C- H stretching | Alkane | Medium |
2853.53 | 3000 – 2840 | C- H stretching | Alkane | Medium |
1735.26 | 1740- 1720 | C = O stretching | Aldehyde | Strong |
1604.97 | 1650- 1580 | N–H bending | Amine | Medium |
1440.22 | 1440 – 1395 | O–H bending | Carboxylic acid | Medium |
1374.89 | 1420- 1330 | O–H bending | Alcohol | Medium |
1308.33 | 1310- 1250 | C-O stretching | Aromatic ester | Strong |
1147.99 | 1150- 1084 | C-O stretching | Aliphatic ether | Strong |
1075.18 | 1085- 1050 | C-O stretching | Primary alcohol | Strong |
995.82 | 1000- 650 | C = C bending | Alkene | Strong |
763.21 | 850–550 | C–Cl stretching | Halo compound | Strong |
572.65 | 600- 500 | C-I stretching | Halo compound | Strong |
518.13 | 690- 515 | C- Br stretching | Halo compound | Strong |