Determination of molecular weight of chitosana.
| Solution concentration (mg mL−1) | Flow time/s | η r | η sp | η sp/C |
|---|---|---|---|---|
| 0.001 | 154.54 | 1.47 | 0.47 | 465.87 |
| 0.00075 | 140.02 | 1.33 | 0.33 | 437.56 |
| 0.0006 | 130.34 | 1.24 | 0.24 | 393.97 |
| 0.0004 | 120.95 | 1.25 | 0.15 | 368.28 |
| 0 | 105.42 |
Calculated from the Mark–Houwink equation: [η] = KMα The molecular weight of chitosan M = 398300.