Specification Test Results

• Appearance:
  White Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Assay:
  99.95 to 100.05 %
• pH:
  3.8 to 4 (5 % at 20°C)
• Sulfate (SO4):
  ≤60 ppm
• Chlorine compounds:
  ≤30 ppm (as Cl)
• Iron (Fe):
  ≤5 ppm
• Sodium (Na):
  ≤50 ppm
• Heavy metals (as Pb):
  ≤5 ppm