Elemental analysis data of percentage of C, H and N in 4-hydroxy benzohydrazide-based O-carboxymethyl chitosan Schiff base and their Cu(ii) complexes.
| Name of the compound/Schiff base ligands/complexes | Theoretically calculated (%) | C/N | Actually found (%) | C/N | ||||
|---|---|---|---|---|---|---|---|---|
| C | H | N | C | H | N | |||
| DCS | 44.44 | 7.40 | 8.64 | 5.14 | 43.56 | 6.38 | 8.40 | 5.19 |
| (SB1) | 55.02 | 5.96 | 9.63 | 5.71 | 55.08 | 6.03 | 9.47 | 5.82 |
| (SB2) | 64.26 | 5.36 | 7.50 | 8.57 | 63.86 | 5.48 | 7.61 | 8.39 |
| [(SB1)–Cu(OAc)2] | 46.59 | 5.18 | 6.80 | 6.85 | 47.27 | 5.62 | 6.96 | 6.79 |
| [(SB2)–Cu(OAc)2] | 54.96 | 4.85 | 5.66 | 9.71 | 55.19 | 4.39 | 5.71 | 9.66 |