Specification Test Results

• Meets ACS Reagent Chemical Requirements:
  99.5 - 102.5%
• For Laboratory,Research,or Manufacturing Use:
  ≤0.005%
• Assay (HOCOCOOH2H₂O) (by KMnO₄ titrn):
  99.5 - 102.5 %
• Insoluble Matter:
  ≤ 0.005 %
• Residue after Ignition:
  ≤ 0.010 %
• Chloride (Cl):
  ≤ 0.002 %
• Sulfate (SO₄):
  ≤ 0.002 %
• Calcium (Ca)(by FES):
  ≤ 0.001 %
• Nitrogen Compounds (as N):
  ≤ 0.001 %
• Substances Darkened by Hot H₂SO₄:
  Passes Test
• Trace Impurities - ACS - Heavy Metals (as Pb):
  ≤ 5 ppm
• Trace Impurities - Iron (Fe):
  ≤ 2.0 ppm