Table 2.
Hydrogel B1 modified by varying the concentration of CaCl2.
| Hydrogel sample code | SALG/CS wt. % ratio (Total polymer mass 8 g) |
CaCl2 Concentration (%) |
|
|---|---|---|---|
| SALG | CS | ||
| B1–C1 | 75 | 25 | 2 |
| B1–C2 | 75 | 25 | 4 |
| B1–C3 | 75 | 25 | 6 |
| B1–C4 | 75 | 25 | 8 |
| B1–C5 | 75 | 25 | 10 |
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