Test Items

Specification

Test Results

Appearance

White crystals powder

Complied

Identification

Meets the requirement

Complied

Assay

98.0% - 102.0%

99%

pH

3.0-5.0

4.2

Specific rotation

+50.0°- +52.0°

51.50°

Loss on drying

1.0% max.

0.1%

Residues on ignition

27.0%-29.0%

28.1%

Sulfate

15.5-16.5% max.

Complied

Heavy metals

10ppm max.

Complied

As

3ppm max.

Complied

Total plate count

1000cfu/g max.

Complied

Yeast and mold

100cfu/g max.

Complied

Salmonella

Negative

Negative

E.Coli

Negative

Negative