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Detailed content Specification parameter Product packaging

Testing   Item

Standard

Appearance

White to light yellow crystal powder

Assay/%

≥98.00

Specific   Rotation

-29.0°   -32.8°

Residue   on Ignition/%

≤0.50

Loss   on Drying/%

≤0.50

Heavy   Metal(Pb)/%

≤5

Arsenic(As)/%

≤2

Mercury(Hg)/%

≤0.1

Cadmium(Cd)/%

≤2

Salmonella

Negative in 10g

PH

5.0~7.0


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