|
Chitosan Specification List |
|
|
Grade |
Deacetylation/Substitution Degree |
|
Food grade |
85%, 90%, 95% |
|
Medicine Grade |
90%, 95% |
|
Industrial Grade |
80%, 85%, 90% |
|
Agricultural Grade |
80%, 85%, 90% |
|
Water Soluble Chitosan |
90%, 95% |
|
Carboxymethyl Chitosan |
80% |
|
Hydroxypropyl Chitosan |
80% |
|
Chitosan Oligosaccharides |
85%, 90%, 95% |
|
Chitosan HCL |
85%, 90% |
| Item | Standard |
| Appearance | Off-white powder |
| Bulk Density, g/ml | ≥0.6 |
| Degree of Deacetylation, % | ≥85,90,95 |
| PH | 7.0-8.0 |
| Loss on Drying, % | ≤10 |
| Residue on Ignition, %; | ≤1.0 |
| Insoluble, % | ≤1.0 |
| Heavy Metals, ppm (as Pb) | ≤10 |
| Arsenic, ppm | ≤0.5 |
| Viscosity (1%,20°C), mpa.s | 20-500 |
| Total Plate Count, cfu/g | ≤1000 |
| Yeast, cfu/g | ≤100 |
| E.Coli | Negative |
| Salmonella | Negative |
| Particle Size, mesh | 80, 100 |
