Specification Test Results

• Appearance:
  White Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Melting point:
  150 to 153 °C
• Sulfated ash:
  ≤0.1 %
• Solubility:
  (1 % in water) Clear colorless
• pH:
  3.5 to 5.0 (1 % at 25 °C)
• Titration with HClO4:
  ≥99.0 %
• Iron (Fe):
  ≤5 ppm
• Heavy metals (as Pb):
  ≤10 ppm