Specification Test Results

• ACS - Assay ((NH₄)₂SO₄) (A.C.S.):
  ≥99.0 %
• ACS - Chloride (Cl):
  ≤3 ppm
• ACS - Insoluble Matter:
  ≤0.005 %
• ACS - Iron (Fe):
  ≤5 ppm
• ACS - Nitrate (NO₃):
  ≤0.001 %
• ACS - pH of 5% Solution at 25°C:
  5.0 - 6.0
• ACS - Phosphate (PO₄):
  ≤3 ppm
• ACS - Residue on Ignition:
  ≤0.005 %
• Heavy Metals (as Pb):
  ≤3 ppm
• Arsenic (As):
  ≤0.200 ppm
• Solution Test:
  Passes Test
• FCC - Assay ((NH₄)₂SO₄)(F.C.C.):
  99.0 - 100.5 %
• FCC - Identification A:
  Passes Test
• FCC - Identification B:
  Passes Test
• FCC - Lead (Pb):
  ≤3 mg/kg
• FCC - Residue on Ignition (FCC):
  ≤0.25 %
• FCC - Selenium (Se):
  ≤0.003 %
• Loss on Drying at 105°C:
  ≤0.1 %