ITEM

SPECTFICATION

RESULTS

Appearance

White crystalline grade

White crystalline grade

Description

Medical Grade

Medical Grade

Assay Min (Hplc)

98%-99.9%

99.2%

Iron content

0.0001

0.00008

Ppm Loss on Drying

≤18%

15%

PH(1%H₂Osolution)

6.5-7.5

7.2

Chloride

≤0.3%

0.3%

Sulfate

≤0.1%

0.1%

Phenothiol

0.0001

0.0001

Sulfite

0.0001

0.0001

Solubility

Qualified

Qualified

Conclusion

Qualified