NAME OF INDEX

SPECIFICATION

RESULTS

Content(On dry Basis),w/%

99.0~100.5

99.56

Light Transmittance,w/%

≥

95.0

95.95

Chlorides(Cl),w/%

≤

0.005

<0.005

Sulfates,w/%

≤

0.015

<0.015

Oxalates,w/%

≤

0.03

<0.03

Total arsenic(As),mg/kg

≤

1.0

<1.0

Lead(Pb),mg/kg

≤

2.0

<2.0

Alkalinity

Pass the test

Pass the test

Loss on drying ,w/%

3.0-6.0

5.68

Easily Carbonize Substances,w/%

≤

1.0

<1.0

Insoluble Substances

≥

Pass the test

Pass the test

Calcium salt,w/%

≤

0.02

<0.02

Ferric Salt,mg/kg

≤

5.0

<5.0

Conclusion

In compliance with the standard of GB1886.74-2015