Specification Test Results

• Meets ACS Reagent Chemical Requirements:
  99.0 - 101.0 %
• For Laboratory,Research,or Manufacturing Use:
  99.0 - 101.0 %
• ACS - Assay (C₆H₅Na₃O₇·2H₂O) (by non-aqueous titration):
  99.0 - 101.0 %
• ACS - pH of 5% Solution at 25°C:
  7.0 - 9.0
• ACS - Insoluble Matter:
  ≤0.005 %
• ACS - Chloride (Cl):
  ≤0.003 %
• ACS - Sulfate (SO₄):
  ≤0.005 %
• ACS - Ammonia (as NH₃):
  ≤0.003 %
• ACS - Calcium (Ca):
  ≤0.005 %
• Trace Impurities - ACS - Heavy Metals (as Pb):
  ≤5 ppm
• Trace Impurities - Iron (Fe):
  ≤5 ppm