Specification Test Results

• Appearance:
  White Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤0.5 % (1 g, 105°C)
• Sulfated ash:
  ≤0.1 %
• UV transmittance:
  ≥95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
• pH:
  5.4 to 6.1 (2 % w/v in water)
• Titration with HClO4:
  99.0 to 101.0 % (on dried substance)
• Chloride (Cl):
  ≤200 ppm
• Sulfate (SO4):
  ≤200 ppm
• Ammonium (NH4):
  ≤1000 ppm
• Heavy metals (as Pb):
  ≤10 ppm
• Other amino acids:
  ≤0.2 % (TLC)