Description
|
Material: D-Glucosamine Hydrochloride |
|
|
CAS No.: 66-84-2 |
|
|
ITEM |
STANDARD |
|
Appearance |
White crystalline, free flowing powder |
|
Odour |
Odourless |
|
Bulk density, g/ml |
NLT. 0.70 |
|
Particle size, % |
98% Through 30mesh |
|
Assay (on the dried basis, HPLC), % |
98.0~102.0 |
|
Identification |
A/B/C |
|
Transmit, % |
NLT. 90.0 |
|
Absorb |
NMT. 0.25a.u. |
|
Specific Rotation, ° |
+70.0~+73.0 |
|
PH |
3.0~5.0 |
|
Loss on drying, % |
NMT. 0.50 |
|
Residue on ignition, % |
NMT. 0.10 |
|
Chloride (Cl), % |
16.0~17.0 |
|
Sulfate, % |
NMT. 0.24 |
|
Residual solvents (Ethanol), % |
NMT. 0.50 |
|
Heavy metals, ppm |
NMT. 10 |
|
Iron, ppm |
NMT. 10 |
|
Lead, ppm |
NMT. 0.5 |
|
Cadmium, ppm |
NMT. 0.5 |
|
Mercury, ppm |
NMT 0.1 |
|
Arsenic, ppm |
NMT 1.0 |
|
Organic volatile impurities |
Meets the requirements |
|
Total aerobic count, cfu/g |
NMT. 1000 |
|
Yeast & Mold, cfu/g |
NMT. 100 |
|
E. Coli |
Negative |
|
Salmonella |
Negative |
|
Conclusion: |
The above product conforms to USP. Standard. |
