Items

Standard

Result

Assy(on dry material)

≥98.5%

99.1

Specific optical rotation

-26.0˚~29.0˚

-28.3˚

Loss on drying

≤1.0%

0.1%

Residue on igition

≤0.5%

0.1%

Pb

≤0.002%

<0.002%

As

≤0.0002%

<0.0002%

Inspection conclusion

conforms