Specification Test Results

• Appearance:
  Colorless to white Crystalline powder or crystals
• Titration Argentometric:
  ≥99.0 % (on dry substance)
• Loss on drying:
  ≤0.2 % (150°C, 6 hrs)
• pH:
  6.0 to 9.2 (5 % at 25°C)
• Alkalinity:
  ≤0.022 % (as KOH)
• Iodate (IO3):
  ≤2 ppm
• Sulfate (SO4):
  ≤50 ppm
• Iron (Fe):
  ≤5 ppm
• Heavy metals (as Pb):
  ≤10 ppm
• Nitrogen compounds (as N):
  ≤10 ppm