Specification Test Results

• ACS - Assay ((NH₄)₂SO₄):
  99.0 - 100.5 %
• ACS - Insoluble Matter:
  ≤0.005 %
• ACS - Residue on Ignition (ACS):
  ≤0.005 %
• ACS - pH of 5% Solution at 25°C:
  5.0 - 6.0
• ACS - Nitrate (NO₃):
  ≤0.001 %
• Chloride (Cl):
  ≤3 ppm
• Phosphate (PO₄):
  ≤3 ppm
• Heavy Metals (as Pb):
  ≤3 ppm
• Trace Impurities - Iron (Fe):
  ≤5 ppm
• FCC - Assay ((NH₄)₂SO₄):
  99.0 - 100.5 %
• FCC - Identification:
  Passes Test
• FCC - Residue on Ignition (FCC):
  ≤0.25 %
• FCC - Lead (Pb):
  ≤3 mg/kg
• FCC - Selenium (Se):
  ≤0.003 %
• Endotoxin Concentration (2.5 EU/g max.):
  Passes Test