Specification Test Results

• Appearance:
  Colorless to white to almost white Crystals or crystalline powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤0.5 % (1 g, 105°C)
• Sulfated ash:
  ≤0.1 % (1 g, 600°C)
• Appearance of solution:
  Clear and not more intensely colored than reference solution BY6
• Specific optical rotation:
  +13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (dried substance)
• Titration with HClO4:
  98.5 to 101.0 % (dried substance)
• Sulfates:
  ≤300 ppm
• Chlorides:
  ≤200 ppm
• Ammonium (NH4):
  ≤200 ppm
• Iron (Fe):
  ≤10 ppm
• Ninhydrin-positive substances:
  ≤0.10 % (Any ninhydrin-positive substance)