Assay | 99.0% Min | Loss on drying | 1.5% Max |
Chloride | 0.02% Max. | Sulfate | 0.10% Max |
Chloride Compound | 0.03% Max | Heavy metals | 10 ppm Max |
Acidity or Alkalinity | 0.2ml/g Max | Arsenic (As) | 2 ppm Max |
Colour of solution | Y6 | Benzene(ug per g) | 2 ug Max |
1,4-Dioxane(ug per g) | 380 ug Max | Methylene chloride(ug per g) | 600 ug Max |