Specification Test Results

• Appearance:
  White Crystalline powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤0.2 % (105°C, 2 h)
• Sulfated ash:
  ≤0.1 %
• Titration with HClO4:
  ≥99.0 % (on dried substance)
• Chloride (Cl):
  ≤40 ppm
• Sulfate (SO4):
  ≤50 ppm
• Ammonium (NH4):
  ≤200 ppm
• Arsenic (As):
  ≤1 ppm
• Iron (Fe):
  ≤10 ppm
• Heavy metals (as Pb):
  ≤10 ppm
• Hydrolyzable substance:
  Clear solution
• Residual solvents:
  Meets the requirements