Specification Test Results

• Assay (HPLC):
  Min. 99.0 %
• Melting point:
  73 - 75 °C
• Loss on drying:
  Max. 0.5 %
• Colour of the solution:
  complying
• Turbidity of solution:
  complying
• Residue on ignition (as SO₄):
  Max. 0.1 %
• Identity (NMR):
  complying
• Application test:
  complying
• Calcium (Ca):
  Max. 30 ppm
• Cadmium (Cd):
  Max. 5 ppm
• Cobalt (Co):
  Max. 5 ppm
• Chromium (Cr):
  Max. 5 ppm
• Copper (Cu):
  Max. 5 ppm
• Iron (Fe):
  Max. 10 ppm
• Potassium (K):
  Max. 50 ppm
• Magnesium (Mg):
  Max. 5 ppm
• Manganese (Mn):
  Max. 5 ppm
• Sodium (Na):
  Max. 50 ppm
• Nickel (Ni):
  Max. 5 ppm
• Lead (Pb):
  Max. 5 ppm
• Zinc (Zn):
  Max. 5 ppm
• Total S (as SO₄):
  Max. 50 ppm
• Chloride (Cl):
  Max. 50 ppm