Specification Test Results

• Meets ACS Reagent Chemical Requirements:
  = 99.0 %
• For Laboratory,Research,or Manufacturing Use:
  = 99.0 %
• Assay (KH₂PO₄) (by acidimetry):
  ≥99.0 %
• Insoluble Matter:
  ≤0.01 %
• Loss on Drying at 105°C:
  ≤0.2 %
• pH of 5% Solution at 25°C:
  4.1 - 4.5
• Chloride (Cl):
  ≤0.001 %
• Fluoride (F):
  ≤0.001 %
• Nitrogen Compounds (as N):
  ≤0.001 %
• ACS - Sulfate (SO₄):
  ≤0.003 %
• Heavy Metals (as Pb):
  ≤0.001 %
• Iron (Fe):
  ≤0.002 %
• Lead (Pb):
  ≤0.001 %
• Sodium (Na):
  ≤0.005 %
• Trace Impurities - Arsenic (As):
  ≤3.000 ppm