High purity Chondroitin Sulfate Sodium CAS NO.9082-07-9

TESTING ITEMS

SPECIFICATION

RESULTS

Appearance

White or almost white powder

Almost white powder

Identification

A)Infrared absorption: The IR spectrum is consistent with RS

Conforms

B) Meet the requirement of Sodium

Conforms

Clarity and color of solution

Absorbance ≤0.35

0.13

PH

5.5~7.5

6.6

Loss on drying

≤12.0%

9.2%

Residue on ignition

20.0%~30.0%

23.4%

Chloride

≤0.50%

<0.50%

Sulfate

≤0.24%

<0.24%

Heavy metals

≤0.002%

<0.002%

Organic volatile impurities

≤0.5%

Meets the requirements

Electrophoretic purity

Individual impurity ≤2%

<0.2%

Limit of protein

≤6.0%

3.4%

Content (on dried basis)

90.0%~105.0%

91.2%

Microbial enumeration

bacterial count. ≤1000cfu/g

40CFU/g

Molds and yeasts count. ≤100cfu/g

<10CUF/g

Salmonella and Escherichia coli: Negative

Negative

Conclusion:        

The Product Conforms to USP.