Specification Test Results

• Appearance:
  White Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  174 to 178 °C
• Loss on drying:
  ≤1 % (105 °C, 2 hrs)
• Sulfated ash:
  ≤0.1 %
• Specific optical rotation:
  -159° to -172° (20 °C, 589 nm) (c=1, C2H5OH) (on dried substance)
• Titration with HClO4:
  ≥98.5 % (On dried substance)
• Chloride (Cl):
  ≤250 ppm
• Sulfate (SO4):
  ≤500 ppm
• Copper (Cu):
  ≤50 ppm
• Iron (Fe):
  ≤50 ppm
• Lead (Pb):
  ≤50 ppm
• Nickel (Ni):
  ≤50 ppm
• Potassium (K):
  ≤100 ppm
• Zinc (Zn):
  ≤50 ppm
• Insoluble matter:
  ≤0.01 % (in water)