Chitosan
Cov neeg siv tshuaj xyuas

Chitosan qauv
Lub npe tshuaj: β-(1 → 4)-2-amino-2-deoxy-D-glucose
Cov mis mos glycan: (C6H11NO4)n
Molecular Luj ntawm chitosan: Chitosan yog cov khoom sib xyaw molecular hnyav, thiab qhov hnyav molecular ntawm chav tsev yog 161.2
Chitosan CAS Code: 9012-76-4
Specification
Specification | Txuj | ||
Deacetylation degree | ≥75% | ≥85% | ≥90% |
Tus nqi PH (1% 25 °) | 7.0-8.5 Nws | 7.0-8.0 Nws | 7.0-8.5 Nws |
Moisture | ≤ 10.0% | ≤ 10.0% | ≤ 10.0% |
Tshauv | ≤ 0.5% | ≤ 1.5% | ≤ 1.0% |
viscosity (1% AC, 1% Chitosan, 20 ℃) | ≥800 mpa·s | > 30 mpa·s | 10 ~ 200 mpa·s |
Hnyav Hlau | ≤10ppm | ≤10ppm | ≤ 0.001% |
Arsenic | ≤0.5ppm | ≤0.5ppm | ≤ 1 ppm |
Mesh Loj | 80 mesh | 80 mesh | 80 mesh |
Kev ceev ceev | ≥0.3g / ml | ≥0.3g / ml | ≥0.3g / ml |
Tag nrho Aerobic Microbial suav | ≤2000cfu / g | ≤2000cfu / g | ≤1000cfu / g |
E-Coli | Tsis zoo | Tsis zoo | Tsis zoo |
Salmonella | Tsis zoo | Tsis zoo | Tsis zoo |
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