Specification Test Results

• Appearance:
  White to off-white Crystalline powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤5 %
• Heavy metals:
  ≤10 ppm
• Sulfated ash:
  ≤0.1 %
• Specific optical rotation:
  +22.8° to +28.8° (20°C, 589 nm) (c=10, water) (after 4 h)
• Titration with NaOH:
  ≥96.0 %
• Chloride (Cl):
  ≤400 ppm
• Sulfate (SO4):
  ≤400 ppm
• Arsenic (As):
  ≤2 ppm
• Calcium (Ca):
  ≤500 ppm
• Iron (Fe):
  ≤80 ppm