Name: Magnesium Oxide Granular

Expiry Date:2 Years

Examination

 Item

Examination

Standard

Examination

Result

Description

White granular

Complies

Identification

Positive

Complies

Assay

93.1~95.48

94.2%

Loss on ignition

≤10.0%

0.6%

Acid Insoluble Substances

≤0.10%

0.05%

Soluble salts

≤10mg

3.5mg

Free alkali

≤2.0ml

1.0ml

Calcium

≤1.1%

0.15%

Heavy Metal

≤20ppm

<20ppm

Lead

≤2.0ppm

1.0ppm

Iron

≤0.05%

0.005%

Arsenic

≤2.0ppm

1ppm

Through 16 mesh

16-60mesh

60-100mesh

Under 100mesh

100%

60-80%

≤20%

≤10%

100%

71%

19.5%

9.5%

Conclusion:   The above product conforms to USP34