Table 1.
Experimental conditions for electrospraying.
| Parameter | Unit | Value |
|---|---|---|
| Concentration of acetic acid | % | 0.5 |
| Initial concentration of chitosan solution | wt.% | 1.2 |
| Flow rate of solution | mL h−1 | 5 |
| Needle gauge | G | 21 and 23 |
| Applied voltage 1 | kV | 14 and 23 |
| Dimensions of chamber (length/width/height) | cm | 30/30/25 |
| Distance between the needle tip and collector | cm | 10 |
| Concentration of NaOH | wt.% | 5 |
| Volume of NaOH (collector) | mL | 50 |
| Duration of electrospraying | min | 60 |
| Temperature (in the chamber) | °C | 28 ± 1 |
| Relative humidity (in the chamber) | % | 65 ± 3 |
1 the applied voltage of 14 kV was used in electrospraying of CHT95-based complexes and voltage of 23 kV was set in the process for CHT85-based complexes.