Table 1.
Sample codes, compositions and pH of the resulting solutions.
| Sample code | Chitosan | Acetic acid | Hydrochloric acid | pH |
|---|---|---|---|---|
| CS-0.1M-AA | 2% | 0.1 M | na | 5.10 |
| CS-1M-AA | 2% | 1.0 M | na | 3.10 |
| CS-0.1M-HA | 2% | na | 0.1 M | 1.20 |
| CS-1M-HA | 2% | na | 1.0 M | 0.20 |
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