Research Article
Application of Carboxymethyl Chitosan-Benzaldehyde as Anticorrosion Agent on Steel
Table 2
Analysis of new functional groups of CMC-benzaldehyde using FTIR.
| Functional groups | Wave numbers according to Pretsch et al. (cm−1) | Wave numbers of CMC-benzaldehyde from the synthesis results (cm−1) |
| C=N | 1645 | 1641.31 | C=C aromatic | 1600 | 1450–1600.81 |
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