Specification Test Results

• Appearance:
  Colorless to white Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Melting point:
  118 to 122 °C
• Titration Argentometric:
  ≥98.5 %
• Sulfated ash:
  ≤0.05 %
• Solubility:
  (3 M in water) Clear colorless
• UV:
  at 280 nm A: ≤0.4
• Sulfate (SO4):
  ≤50 ppm
• Iron (Fe):
  ≤1 ppm
• Heavy metals (as Pb):
  ≤10 ppm