Specification Test Results

• Assay (calculated as HPO₃) (39-45 %):
  Passes test
• Assay (calculated as NaPO₃) (55-61 %):
  Passes test
• Heavy metals (as Pb):
  Max. 20 ppm
• Substances reducing KMnO₄ (as H₃PO₃):
  Max. 100 ppm
• Cl (Chloride):
  Max. 20 ppm
• SO₄ (Sulphate):
  Max. 100 ppm
• As (Arsenic):
  Max. 5 ppm
• Ca (Calcium):
  Max. 100 ppm
• Fe (Iron):
  Max. 10 ppm
• Mn (Manganese):
  Max. 5 ppm