Items

Standard

Analysis data

Appearance

White or almost white,crystal or crystalline powder

conforms

Assay

98.5%-101.0%

99.2%

PH

5.0-7.0

6.1

Identification

Infrared absorption spectrum

conforms

State of solution

Not less than 98.0%

99.0%

Specific  Rotation

+24.5º to +26.8º

+25.3 º

Loss on drying

Not more than 0.30%

＜0.30%

Residue on ignition

Not more than 0.10%

＜0.10%

Chloride

Not more than 0.020%

＜0.020%

sulfate

Not more than 0.020%

＜0.02%

Ammonium

Not more than 0.02%

＜0.02%

Heavy metals

Not more than 10ppm

＜10ppm

Lead

Not more than 1ppm

Conforms

Arsenic

Not more than 1ppm

<1ppm

Cadmium

Not more than 1ppm

<1ppm

Mercury

Not more than 0.1ppm

<0.1ppm

Iron

Not more than 10ppm

＜10ppm

Total viable count

Not more than 1000cfu/g

Conforms

Yeast&mould

Not more than 100cfu/g

Conforms

Enterobacteriaceae

Negative/25g

Negative

Coliforms bacteria

Negative/g

Negative

Escherichia coli

Negative/g

Negative

Salmonella sp.

Negative/10g

Negative

Staphylococcus aureus

Negative/g

Negative

Conclusion 

The product is according with standard.