This is the new product to meet the customer’s high requirement for Chitsoan.
Quality Index：
Item |
Standard |
Result |
Appearance |
Off-white powder |
Off-white powder |
Degree of Deacetyiation, % |
95±3 |
95 |
Loss on Drying,% |
≤10 |
2 |
Residue on Ignition, % |
≤1.0 |
≤0.69 |
Total Plate Count, cfu/g |
≤1000 |
700 |
Yeast/Mold, cfu/g |
≤100 |
Yeast/Mold/g |
E.coli |
Negative |
Negative |
Salmonella |
Negative |
Negative |
S.aureus |
Negative |
Negative |
P aeruginosa |
Negative |
Negative |
Insoluble, % |
≤0.75% |
0.7 |
Viscosity (1%,20°C), mpa.s |
20-100 |
80 |
Arsenic, ppm |
＜0.5 |
＜0.5 |
Cadmium, ppm |
＜2 |
＜1 |
Mercury, ppm |
＜8.0 |
＜0.04 |
Lead, ppm |
＜10 |
＜5 |
Aluminum, ppm |
＜100 |
＜100 |
Calcium, ppm |
＜3000 |
1500 |
Iron, ppm |
＜250 |
＜200 |
Magnesium, ppm |
＜1000 |
275 |
Silicon, ppm |
＜1000 |
721 |
*Viscosity can be as per the customer’s requirement. |
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