Specification Test Results

• Appearance:
  White to off-white Powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤0.5 %
• Sulfated ash:
  ≤0.1 %
• Specific optical rotation:
  +32° to +35° (20°C, 589 nm) (c=2, water)
• Titration with HClO4:
  ≥99.0 %
• Arsenic (As):
  ≤3 ppm
• Heavy metals (as Pb):
  ≤20 ppm