Chitosan (Medical\Food\Industrial Grade)

Character:

are the cod crab shell from the deep sea of Alaska (pollution-free); 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.   

Standard:

Items                  Medical Grade               Food Grade             Industrial Grade

Deacetylation* Degree      95%                      93%                     85%

pH Value                   7.0-8.0                    7.0-8.0                7.0-8.0

Loss on Drying                 <6.0%                    <8.0%                <8.0%

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