Specification Test Results

• Assay:
  Min. 99.5 %
• Solution in water:
  Passes test
• Alkalinity:
  Max. 0.002 meq/g
• pH (20°C; 5 %):
  5.7 - 9.2
• Heavy metals (as Pb):
  Max. 2 ppm
• Insolubility in water:
  Max. 50 ppm
• Loss on drying (150°C):
  Max. 0.2 %
• Reducing substances (as I):
  Max. 10 ppm
• Total N (Nitrogen):
  Max. 10 ppm
• Cl + Br (as Cl):
  Max. 100 ppm
• IO₃ (Iodate):
  Max. 2 ppm
• PO₄ (Phosphate):
  Max. 10 ppm
• SO₄ (Sulphate):
  Max. 10 ppm
• As (Arsenic):
  Max. 0.1 ppm
• Ba (Barium):
  Max. 20 ppm
• Ca (Calcium):
  Max. 10 ppm
• Cu (Copper):
  Max. 2 ppm
• Fe (Iron):
  Max. 2 ppm
• Mg (Magnesium):
  Max. 5 ppm
• Na (Sodium):
  Max. 0.03 %
• Pb (Lead):
  Max. 5 ppm