Specification Test Results

• Appearance:
  White to light yellow to light beige Crystalline powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤1 % (40°C, 5 h, 20 Torr)
• Sulfated ash:
  ≤0.1 %
• HPLC:
  ≥99.0 % (ELSD)
• Specific optical rotation:
  -19.2° to -20.8° (20°C, 589 nm) (c=4, H2O)
• Heavy metals (as Pb):
  ≤10 ppm