Table 2. FTIR Spectroscopy Analysis of CL.
| control |
EO |
biodegradation |
|||
|---|---|---|---|---|---|
| peak value (cm–1) | functional group | peak value (cm–1) | functional group | peak value (cm–1) | functional group |
| 3417.47 | N–H stretch | 3147.47 | N–H stretch | 1982.82 | C–H bending |
| 2929.36 | C–H aliphatic stretch | 2914.95 | C–H aliphatic stretch | 1631.78 | C=C stretch |
| 2857.34 | C–H aliphatic stretch | 1630.67 | C=C stretch | ||
| 1738.68 | C=O stretch | 1379.41 | CH aliphatic group | ||
| 1365.01 | S=O stretching for sulphonamide group | 612.04 | C–Cl stretch | ||
| 1315.62 | S=O stretch | ||||
| 1221.78 | C–O stretching | ||||
| 1120.96 | C–O stretching | ||||
| 1076.34 | C–N stretch | ||||
| 612.04 | C–Cl stretch | ||||