Check item

Specification

Check conclusion

Identification

Conform To Standard

Appearance

White Granular

White Granular

Content           %

≥99.0

99.10%

Loss on drying    %

≤5.0

4.6%

Acidity and alkalinity

PASS TEST

PASS TEST

Heavy metals Pb      %

≤0.001

<0.001

As                   %

≤0.0004

<0.0003

Insoluble in water   %

≤0.15

0.13

Magnesium(as MgO)       %

ABOUT 0.4

PASS TEST

PH(1% Solution)

7.5-10.5

8.0

Fluorides         %

≤0.003

<0.003

Conclusion

CONFORM TO FCCIV STANDARD