Specification Test Results

• Assay:
  99.0 - 103.0 %
• Appearance of solution:
  Passes test Ph.Eur.
• CO₃ (Carbonate):
  Passes test
• Identification A:
  Passes test Ph.Eur.
• Identification B:
  Passes test Ph.Eur.
• Identification C:
  Passes test Ph.Eur.
• pH (20°C; 4 %):
  9.0 - 9.6
• Heavy metals (as Pb):
  Max. 5 ppm
• Insolubility in water:
  Max. 50 ppm
• Cl (Chloride):
  Max. 5 ppm
• NH₄ (Ammonium):
  Max. 10 ppm
• PO₄ (Phosphate):
  Max. 10 ppm
• SO₄ (Sulphate):
  Max. 20 ppm
• As (Arsenic):
  Max. 2 ppm
• Ca (Calcium):
  Max. 100 ppm
• Fe (Iron):
  Max. 5 ppm
• Conforms to Reag. Ph.Eur.:
  Passes test