Research Article
Uniform Chitosan Microparticles Prepared by a Novel Spray-Drying Technique
Table 1
pH and conductivity of chitosan solutions at different storage times.
| Storage time (day) | pH | Conductivity (mS/cm) | 0.5 wt% | 1.0 wt% | 1.5 wt% | 0.5 wt% | 1.0 wt% | 1.5 wt% |
| 0 | 2.99 | 3.44 | 3.69 | 1.11 | 1.74 | 2.25 | 3 | 3.02 | 3.43 | 3.62 | 1.11 | 1.75 | 2.27 | 6 | 2.96 | 3.31 | 3.52 | 1.12 | 1.74 | 2.24 | 9 | 3.05 | 3.45 | 3.66 | 1.11 | 1.75 | 2.26 | 18 | 3.10 | 3.44 | 3.69 | 1.12 | 1.75 | 2.27 |
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