Specification Test Results

• Assay:
  Min. 99.5 %
• Loss on drying (150°C):
  13.0 - 15.0 %
• Water insoluble matter:
  Max. 0.01 %
• Calcium (Ca):
  Max. 0.03 %
• Iron (Fe):
  Max. 5 ppm
• Potassium (K):
  Max. 0.005 %
• Magnesium (Mg):
  Max. 0.005 %
• Heavy metals (as Pb):
  Max. 5 ppm
• Chloride (Cl):
  Max. 0.001 %
• Phosphate (PO₄):
  Max. 5 ppm
• S-compounds (as SO₄):
  Max. 0.004 %
• Silicate (as SiO₂):
  Max. 0.005 %