Specification Test Results

• Appearance:
  White Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤0.5 %
• Sulfated ash:
  ≤0.05 %
• Titration with NaOH:
  ≥99.5 %
• Substance darkened by H2SO4:
  Passes test
• Chloride (Cl):
  ≤10 ppm
• Oxalate (C2O4):
  ≤500 ppm
• Sulfate (SO4):
  ≤100 ppm
• Arsenic (As):
  ≤1 ppm
• Calcium (Ca):
  ≤200 ppm
• Iron (Fe):
  ≤5 ppm
• Heavy metals (as Pb):
  ≤5 ppm