Appearance

White   crystalline  powder

Identification  A:

Conformity

Identification  B: infrared absorption  spectrophotometry

Conformity

Assay

98.0% ～102.0%

Chloride

≤0.018%

Glucose

≤0.5%

Hydroxymethylfurfural

≤0.1%

Lead

≤0.1mg/kg

Loss  on  Drying

≤0.5%

Residue  on  Ignition

≤0.5%

Sulfate

≤0.025%