| ITEMS | STANDARD | |
| Moisture (%) | =<10% | |
| Viscosity(2% solutionB/mpa.s) | 3000-5000 | |
| PH value | 6.5-8.0 | |
| Chloride (%) | =<1.8% | |
| Degree of substitution | 0.65-0.85 | |
| Heavy metals Pb% | =<0.002% | |
| Iron | =<0.03% | |
| Arsenic | =<0.0002% | |
| Conclusion: pass | ||
| Assay: manping auditing: manping Approval: weijia | ||