Specification Test Results

• Assay (HClO₄-titr.):
  Min. 99.0 %
• Water insoluble matter:
  Max. 0.01 %
• Loss on drying (120°C):
  Max. 1.0 %
• pH (5 %, 25 °C):
  7.0 - 9.2
• Calcium (Ca):
  Max. 0.005 %
• Iron (Fe):
  Max. 0.001 %
• Magnesium (Mg):
  Max. 0.002 %
• Heavy metals (as Pb):
  Max. 0.001 %
• Chloride (Cl):
  Max. 0.002 %
• Phosphate (PO₄):
  Max. 0.001 %
• Sulfate (SO₄):
  Max. 0.003 %
• IR spectrum:
  complying
• Form:
  Solid
• pKa :
  4.76 (acetic acid)