TEST ITEMS

TEST RESULT

TEST RESULT

ASSAY (FeSO4·H2O)

≥98%

98.6%

Fe

≥19.5%

19.6%

Pb

≤20ppm

11ppm

As

≤2ppm

1ppm

Cd

---

3ppm

WATER INSOLUBLE

≤0.5%

0.35%

TITANIUM DIOXIDE

≤0.75%

0.68%

HEAVY METAL

≤0.0001%

0.0001%

FREE ACID

≤1%

0.56%

CONCLUSION

QUALIFIED