Specification Test Results

• Assay (on anhydrous substance):
  Min. 99.0 %
• Ba (Barium):
  Passes test
• CN (Cyanide):
  Passes test
• Sulphur compounds (as S):
  Passes test
• Free potassium hydroxide:
  Max. 0.05 %
• Heavy metals (as Pb):
  Max. 5 ppm
• Insolubility in water:
  Max. 50 ppm
• Substances precipitated by NH₄OH:
  Max. 100 ppm
• Cl (Chloride):
  Max. 30 ppm
• NO₃ (Nitrate):
  Max. 30 ppm
• PO₄ (Phosphate):
  Max. 10 ppm
• SO₄ + SO₃ (as SO₄):
  Max. 20 ppm
• As (Arsenic):
  Max. 2 ppm
• Ca + Mg (as Ca):
  Max. 100 ppm
• Fe (Iron):
  Max. 5 ppm
• Na (Sodium):
  Max. 0.2 %
• Conforms to Reag. Ph.Eur.:
  Passes test