Appearance

Crystallion powder,white

Identification  ID

A. Infrared Absorption <197K>

B: Identification Tests—General, Chloride <191>: Meets the requirements

C: The retention time of the glucosamine peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay.

Assay

98%~102%

Specific Rotation  

+70°- +73°(USP781S)

pH (2%,25°)

3.0-5.0(USP791)

Loss on drying 

Less than1.0% (USP731)

Residue on Ignition 

NMT0.1% (USP281)

Organic Volatile Impurities

Meet requirements (USP467)

Sulfate 

NMT0.24%

Heavy Metal 

NMT10ppm (MethodⅡUSP231)

Lead 

NMT 3ppm (MethodⅡUSP211)

Arsenic (Measured in As)

NMT 3ppm (MethodⅡUSP211)

Mercury 

NMT 1.0ppm (MethodⅡUSP211)

Cadmium  

NMT 1.5ppm (MethodⅡUSP211)

Total Bacteria Count 

<1000CFU/g (USP2021)

Yeast & Mold 

<100CFU/g (USP2021)

Salmonella 

Negative (USP2022)

E.Coli 

Negative (USP2022）

Staphylococcus Aureus

Negative (USP2022）

Particle size 

98% through 80 mesh