Appearance

White to off white, crystalline powder

Assay

98.0% ~ 102.0%

Water

≤ 2.0%

pH

6.0 ~ 7.0

Methanol

≤0.1%

Specific rotation

+84.0°~ + 87.5°

Residue on ignition

≤ 0.7%

Hydrolysis products

Conform

Related substances

0.0~0.5%

Heavy metals (as Pb)

≤ 10ppm

Lead

≤ 1ppm

Arsenic

≤ 3ppm

Particle size

90% >60 mesh

Identif. HPLC

Conform

Organoleptic evaluation

Conform

Total aerobic count

＜250  /g

Yeast ﹠ Mould count

＜50  /g

Coliforms

Negative

E.Coli

Negative

S.aureus

Negative

Salmonella

Negative