Specification Test Results

• Appearance:
  White Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤0.4 % (105°C, 3 h)
• Sulfated ash:
  ≤0.1 %
• Specific optical rotation:
  +20.4° to +22.5° (20°C, 589 nm) (c=8, 6 N HCl)
• Titration with HClO4:
  98.5 to 101.0 % (on dried substance)
• Sulfate (SO4):
  ≤300 ppm
• Iron (Fe):
  ≤30 ppm
• Lead (Pb):
  ≤0.002 %
• Nickel (Ni):
  ≤0.002 %
• Insoluble matter:
  ≤0.025 % (in water and ppt by NH4OH)