Grade | Crystal | Anhydrous |
Mol. Wt | 136.08 | 82.03 |
Appearance | Pel White Crystal | White fine Powder |
Assay | 97.00% | 98% Min |
pH of 5% | 7.5 to 9.5 | 7.5 to 9 |
Solubility in water | Clear solution | Clear Solution |
Chloride | 0.50% | 0.50% |
Iron | 50 ppm | 50 ppm |
Lead | ---- | 5 ppm |
Arsenic | ---- | 5 ppm |