Test Items

USP 40 Standard Specifications

Appearance

Crystallion powder,white

Assay (drying basis)

98%~102%

Identification

A.Infrared Absorption B: Identification

tests-General,Chloride and Sodium: 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. D: Sulfate:In the test for Content of Sulfate,after the addition of barium chloride TS a white precipitate is formed.

Specification Rotation

50°- 55°

PH value(2%.25°)

3.0-5.0

Loss on drying

≤1.0%

Residue on Ignition

23.5%~25.0%

Sulfate Content

16.3%-17.3%

Chloride

11.7%-13.0%

Sodium

Meet requirement

Heavy metal

≤10ppm

Lead

≤3ppm

Ironic salt

≤10ppm

Cadmium

<1ppm

Arsenic

<3ppm

Mesh size

100% thru 60 mesh

Residue of Ethanol

≤5000ppm

Bulk density

≥0.6g/ml

Microbial Test

Total Plate count

≤1000cfu/g

Yeast& Molds

≤100cfu/g

E-Coli

Negative

Salmonella

Negative

Staphylococcus

Negative

Coliforms

Negative