Specification Test Results

• Assay (NaH₂PO₄·2H₂O):
  98.0 - 102.0 %
• pH of 5% Solution at 25°C:
  4.1 - 4.5
• Chloride (Cl):
  ≤5 ppm
• Insoluble Matter, Calcium and NH₄OH Precipitate:
  ≤0.01 %
• Nitrogen Compounds (as N):
  ≤0.001 %
• ACS - Sulfate (SO₄):
  ≤0.003 %
• Arsenic (As):
  ≤0.5 ppm
• Heavy Metals (as Pb):
  ≤0.001 %
• Trace Impurities - Iron (Fe):
  ≤0.001 %