Table 5.
TGA curve analysis of CaOx crystals formed in the presence of 0.4 g/L PCP-Cs and the blank group, respectively.
| PCP-Cs | A | B | C | D | Residual weight (%) | ||||
|---|---|---|---|---|---|---|---|---|---|
| Decomp. T (°C)∗1 | Weight loss (%) | Decomp. T (°C) | Weight loss (%)∗2 | Decomp. T (°C) | Weight loss (%) | Decomp. T (°C) | Weight loss (%) | ||
| Blank | 95.73 | 12.08 | — | — | 409.14 | 18.33 | 552.94 | 28.99 | 36.55 |
| PCP-C0 | 110.33 | 13.49 | 205.10 | 20.52 | 427.84 | 12.61 | 602.29 | 17.36 | 28.72 |
| PCP-C1 | 106.94 | 14.89 | 212.00 | 15.60 | 427.14 | 13.17 | 598.17 | 18.85 | 29.60 |
| PCP-C2 | 107.68 | 16.62 | 212.67 | 10.65 | 426.54 | 13.93 | 605.64 | 21.23 | 30.95 |
| PCP-C3 | 102.97 | 16.87 | 212.05 | 9.78 | 424.50 | 14.24 | 589.75 | 21.57 | 31.16 |
∗ 1Decomp. T: decomposition temperature. ∗2The weight loss in stage B is the content of polysaccharides.