Specification Test Results

• Assay (KOCO(CHOH)₂COONa·4H₂O):
  99.0 - 102.0 %
• Insoluble Matter:
  ≤0.005 %
• pH of 5% Solution at 25°C:
  6.0 - 8.5
• Chloride (Cl):
  ≤0.001 %
• Phosphate (PO₄):
  ≤0.002 %
• Sulfate (SO₄):
  ≤0.005 %
• Ammonium (NH₄):
  ≤0.002 %
• Calcium (Ca):
  ≤0.005 %
• Trace Impurities - Iron (Fe):
  ≤0.001 %
• Trace Impurities - ACS - Heavy Metals (as Pb):
  ≤5 ppm