Item

Limits

Test results

Identification

Conordant with the referennce spectrum

Conforms

Assay

98.5~101.0

99.1

pH

5.5~6.5

6.14

Specific rotation

+40.0°~+43.0°

+40.71°

Residue on ignition

≤0.10

<0.1

Amminium

≤0.02

<0.02

Loss on drying

≤0.30

0.22

Chloride

≤0.02

<0.02

Lron

≤10.0

<10.0

Sulfate

≤0.03

<0.03

Arsenic

≤1.00

/

Heavy metals

≤10.0

/

Organic 

Meets the requiremnts

Conforms