Appearance

White crystals or crystalline powder

Assay, % (on dry matter)

98.5~101.5

Specific rotation

+21.9°~+24.1°

pH value

5.6~6.1

Loss on drying, %

≤0.3

Heavy metals, %

≤0.0015

Residue on ignition, %

≤0.4

Chloride,%

≤0.05

Sulfate,%

≤0.03

Arsenic, %

≤0.00015

Iron, %

≤0.003

Application

Food Supplement

Shelf Life

2 Years