Chitosan Industrial Grade Chitosan Food Chitosan Industrial Grade
Item |
Medical grade
|
Food grade
|
Industrial grade
|
Appearance
|
White powder
|
White powder
|
White or light yellow semitransparent sheet or powder
|
Degree of deacetylation
|
>90%, 95%
|
>85%, 90%, 95%
|
>70%, 80%, 85%
|
pH
|
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
|
<1.0%
|
<1.0%
|
<2.0%
|
Heavy metal (measured by Pb)
|
≤10ppm
|
≤10ppm
|
|
As
|
≤0.5ppm
|
≤0.5ppm
|
|
Total bacterial count
|
≤1000cfu/g
|
≤1000cfu/g
|
|
Viscosity
|
50-800mpa.s
|
||
Granularity
|
40mesh, 60mesh, 80mesh, 100mesh
|
||
Package
|
For medical and food grade, fiber can is used and the size is 38.0cm×48.0cm and 42.0cm×60.0cm. Each package is 25.0kg or 20.0kg. Customization is available.
|
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