Specification Test Results

• Appearance:
  White Crystalline powder
• Loss on drying:
  ≤1 % (285°C)
• Titration with HCl:
  ≥99.90 % (on dried substance)
• Chloride (Cl):
  ≤20 ppm
• Phosphate (PO4):
  ≤10 ppm
• Aluminium (Al):
  ≤10 ppm
• Calcium (Ca):
  ≤50 ppm
• Iron (Fe):
  ≤5 ppm
• Potassium (K):
  ≤100 ppm
• Heavy metals (as Pb):
  ≤5 ppm
• Total nitrogen compounds:
  ≤0.001 % (as N)
• Silicon dioxide (SiO2):
  ≤50 ppm
• Total sulfur (as SO4):
  ≤0.005 %
• Insoluble matter:
  ≤0.01 % (in water)