Specification Test Results

• Appearance:
  White to light yellow Crystalline powder
• Infrared spectrum:
  Conforms
• Assay:
  ≥98.5 %
• Loss on drying:
  ≤1.0 % (40°C, 2 hrs) (vacuum)
• Residue after ignition:
  ≤0.5 %
• Specific optical rotation:
  -55° to -59° (20°C, 589 nm) (c=1, H2O, 24 hrs.)
• Heavy metals (as Pb):
  ≤20 ppm