Specification Test Results

• Appearance:
  White Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  182 to 192 °C (Dec)
• Titration Iodimetric:
  ≥97.5 %
• Loss on drying:
  ≤0.5 % (105 °C, 3 hrs)
• Sulfated ash:
  ≤0.1 % (800 °C)
• Specific optical rotation:
  -15.5° to -17.5° (20 °C, 589 nm) (c=4, H2O)
• Arsenic (As):
  ≤2 ppm
• Iron (Fe):
  ≤5 ppm
• Heavy metals (as Pb):
  ≤10 ppm