Research Article
Adsorption Phenomenon of Arundinaria alpina Stem-Based Activated Carbon for the Removal of Lead from Aqueous Solution
Table 2
FTIR spectral characteristics of AASAC1 before and after adsorption.
| Wavenumber (cmā1) | Assignment | Before | After |
| 3454 | 3384 | O-H stretching in a hydrogen bond | 1612 | 1630 | C=C alkane, C=O | 1315 | 1516 | C-C=C asymmetric stretch, N=O stretch, N=O bend | 1167 | 1210 | C=O stretch, C-O alcoholic stretch, carboxylic acid, anhydrides | 782 | 503 | Aromatic (out-of-plane band) |
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