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Wavenumbers (cm−1) for the dominant peaks from FTIR study for Cr(VI) adsorption.
| S. No | Frequency (cm−1) | Functional Group |
|---|---|---|
| 1 | 3426 cm−1 | OH or NH2 stretching |
| 2 | 1637 cm−1 | COO stretching |
| 3 | 1619 cm−1 | C-C stretching |
| 4 | 1334 cm−1 | O-H bending |
| 5 | 1031 cm−1 | C-O stretching |
