Specification Test Results

• Assay (NH4Cl):
  99.5% min.
• pH of a 5% Solution at 25°C:
  4.5 - 5.5
• Insoluble Matter:
  0.005% max.
• Residue after ignition:
  0.01% max.
• Calcium (Ca):
  0.001% max.
• Magnesium (Mg):
  5 ppm max.
• Heavy metals (as Pb):
  5 ppm max.
• Iron (Fe):
  2 ppm max.
• Phosphate (PO4):
  2 ppm max.
• Sulfate (SO4):
  0.002% max.