Specification Test Results

• Assay (HOC(COOK)(CH₂COOK)₂·H₂O):
  99.0 - 101.0 %
• Insoluble Matter:
  ≤0.005 %
• pH of 5% Solution at 25°C:
  7.0 - 9.0
• Chloride (Cl):
  ≤0.001 %
• Sulfate (SO₄):
  ≤0.005 %
• Calcium (Ca):
  ≤0.005 %
• Trace Impurities - Iron (Fe):
  ≤0.001 %
• Sodium (Na):
  ≤0.2 %
• Phosphate (PO₄):
  ≤5 ppm
• Trace Impurities - ACS - Heavy Metals (as Pb):
  ≤5 ppm