Specification Test Results

• Appearance:
  White to yellow Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  240 to 243 °C
• Water:
  ≤0.1 % (K.F.)
• HPLC:
  ≥98.5 %
• Titration with NaOH:
  98.5 to 101.5 %
• Sulfate (SO4):
  ≤0.01 %
• Cadmium (Cd):
  ≤0.0005 %
• Calcium (Ca):
  ≤0.005 %
• Copper (Cu):
  ≤0.0005 %
• Iron (Fe):
  ≤0.001 %
• Magnesium (Mg):
  ≤0.0005 %
• Manganese (Mn):
  ≤0.0005 %
• Nickel (Ni):
  ≤0.0005 %
• Nitrogen (N):
  ≤0.001 %
• Zinc (Zn):
  ≤0.0005 %
• Heavy metals (as Pb):
  ≤0.001 %
• Free alkali (NaOH):
  ≤2.5 %
• Insoluble matter:
  ≤0.01 % (in water)