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Specifications
Widely used in cosmetic,water treatment field,medicineOff-white, innocuous, flavourless semitransparent and amorphous solid.
Features:
Off-white, innocuous, flavourless semitransparent and amorphous solid. Soluble in acid, but insoluble in alkali and water or in ordinary organic solvent. Decomposed at 185°C.
Applications:
Widely used in the following fields: textile, dyeing, leather, dope, tobacco, plastic, cosmetic, food, feed, medication, health food, color film, bioengineering, agriculture, sewage treatment.
** (1)We can supply high-purity chitosan with de-acetylation degree >95%.
**(2)The viscosity is determined at 20°C with 1°C chitosan in 1°C acetic acid.
he different applications of chitosan demand different type of chitosan, We can supply it according to the needs.
We can provide special molecular weight Chi Chitosan (20,000-300,000) and Chitosan Oligosaccharide (1,000-8,000).
| Items | Medical Grade | Food Grade | Industrial Grade |
| Appearance | Off-white powder | Off-white powder | Off-white to yellowish semitransparent flaker or powder |
| Deacetylation* Degree | >90%, 95% | >85%, 90%, 95% | >70%, 80%, 85% |
| pH Value | 7.0-8.0 | 7.0-8.0 | 7.0-8.0 |
| Loss on Drying | <8.0% | <10.0% | <12.0% |
| Residue on Ignition | <1.0% | <1.5% | <2.0% |
| Insoluble Matter | <1.0% | <1.0% | <2.0% |
| Heavy Metals(Count as Load) | ≤10ppm | ≤10ppm | |
| Arsenic | ≤0.5ppm | ≤0.5ppm | |
| Total Plate Count | ≤1000cfu/g | ≤1000cfu/g | |
| Viscosity** | 50-800mpa.s | ||
| Particle Size | 40mesh, 60mesh, 80mesh, 100mesh | ||
Packing for medical and food grade: 20.0kg, 25.0kg/fiber drum (Φ 38.0cm×48.0cm or Φ 42.0cm×60.0cm), or according to demand. | |||
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