Specification Test Results

• ACS - Assay (Na₂C₄H₄O₆·2H₂O):
  99.0 - 101.0 %
• ACS - Loss on Drying at 150°C:
  15.61 - 15.71 %
• ACS - pH of 5% Solution at 25°C:
  7.0 - 9.0
• ACS - Insoluble Matter:
  ≤0.005 %
• ACS - Chloride (Cl):
  ≤5 ppm
• ACS - Phosphate (PO₄):
  ≤5 ppm
• ACS - Sulfate (SO₄):
  ≤0.005 %
• ACS - Ammonium (NH₄):
  ≤0.003 %
• ACS - Calcium (Ca):
  ≤0.01 %
• ACS - Heavy Metals (as Pb):
  ≤5 ppm
• ACS - Iron (Fe):
  ≤0.001 %