chitosan and chitin

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Scientific name: β-1,4-poly-D-glucosamine Molecular formula : (C6H11NO4)n CAS No. 9012-76-4 HS No. 2922 5000 Physical characteristic White or off white amorphous translucent flake or powder with pearly color, Insoluble in water or alkali solution, soluble in most organic acid and part inorganic acid like diluted hydrochloric acid and nitric acid etc. In diluted acid solution, backbone chain of chitosan will hydrolyze slowly. There are three crystallographic forms, α, β and γ. Structure: Raw material From deep-sea crab shell, such as snow crab shell. Specification Appreance white flake or powder Deacetylation degree >85%; 90%; 95% Viscosity <200 mpa.s Moisture content <10% Ash content <1% Pb <5ppm As <2ppm Total plate count <1000cfu/g E.Coli <30cfu/100g Mold and yeast <100 cfu/g

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AK Chitosan Biotech Ltd.

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