Specification Test Results

• Appearance:
  White to almost white Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  128 to 131 °C
• Loss on drying:
  ≤0.5 % (4 hrs) (silica gel)
• Sulfated ash:
  ≤0.1 %
• Readily carbonizable substance:
  Passes test
• pH:
  6.0 to 7.5 (5 % at 20 °C)
• Titration with HClO4:
  ≥98.5 % (on dried substance)
• Heavy metals (as Pb):
  ≤30 ppm