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Influence of the concentration of nitric acid during hydrolysis of chitosan * on the characteristics of the obtained samples.
| HNO3, % | Mw, kDa | Ip | DD,% | |
|---|---|---|---|---|
| 1 | 6.5 | 28 | 2.00 | 93 |
| 2 | 3.25 | 54 | 2.25 | 93 |
| 3 | 1.95 | 100 | 2.22 | 93 |
| 4 | 0.65 | 700 | 1.20 | 92 |
* 5 g of chitosan, 100 mL of HNO3.
