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Carboxyl content of TPSs with different molecular weights and CaOx crystal phase difference induced by 0.1 g/L of TPS.
| TPS | Molecular weight (kDa) | –COOH content (%) | c(TPS) (g/L) | COM content (%) | COD content (%) |
|---|---|---|---|---|---|
| Blank | 0 | — | 0 | 100 | 0 |
| TPS0 | 10.88 | 11.2 | 0.1 | 100 | 0 |
| TPS1 | 8.16 | 12.3 | 0.1 | 27 | 73 |
| TPS2 | 4.82 | 12.7 | 0.1 | 20 | 80 |
| TPS3 | 2.31 | 11.0 | 0.1 | 69 | 31 |
