Packing Size

25KG/桶

Shelf LIfe：

2 years

外观Appearance

White crystals powder

ID A

Infrared absorption

ID B

Chloride and Potassium meets

the requirement

ID C

Retention time of glucosamine

peak

ID D

Sulfate

含量 Assay

98.0～102.0%

比旋度 Specific rotation

+47°～+53°

PH

3.0～5.0

灼烧残渣 Residue   on ignition

26.5～31.0%

干燥失重 Loss on   drying

≤1.0%

重金属 Heavy metals

≤10ppm

砷 Arsenic

≤3ppm

硫酸盐 Sulfates

15.5～16.5%

大肠埃希菌 E.Coli

Negative

细菌总数 Total plate count

≤1000cfu/g

酵母、霉菌 Molds and Yeasts

≤100cfu/g

目数 Mesh

40mesh

储备 Storage

Preserve   in tight, light-resistant containers