Specification Test Results

• Assay (CH₃COONH₄) (by acid-base titration):
  ≥97 %
• Insoluble Matter:
  ≤0.005 %
• Nitrate (NO₃):
  ≤0.001 %
• pH of 5% Solution at 25°C:
  6.7 - 7.3
• Residue after Ignition:
  ≤0.010 %
• Solution (20:100) - clear, colorless, complete:
  Passes Test
• Sulfate (SO₄):
  ≤0.001 %
• Water (H₂O):
  ≤2.5 %
• Chloride (Cl):
  ≤5 ppm
• Trace Impurities - ACS - Heavy Metals (as Pb):
  ≤5 ppm
• Trace Impurities - Iron (Fe):
  ≤5 ppm