Specification Test Results

• Assay (calculated on dried substance):
  99.5 - 100.5 %
• Appearance of Solution S:
  Passes test Ph.Eur.
• Identification A:
  Passes test Ph.Eur.
• Identification B:
  Passes test Ph.Eur.
• Identification C:
  Passes test Ph.Eur.
• Reducing substances:
  Passes test Ph.Eur.
• Solubility in water:
  Passes test
• pH (20°C; 5 %):
  4.2 - 4.5
• Heavy metals (as Pb):
  Max. 10 ppm
• Loss on drying (105°C):
  Max. 2 %
• Total N (Nitrogen):
  Max. 20 ppm
• Water:
  Max. 0.2 %
• Cl (Chloride):
  Max. 5 ppm
• SO₄ (Sulphate):
  Max. 30 ppm
• As (Arsenic):
  Max. 0.5 ppm
• Ca (Calcium):
  Max. 100 ppm
• Cu (Copper):
  Max. 3 ppm
• Fe (Iron):
  Max. 10 ppm
• Mg (Magnesium):
  Max. 20 ppm
• Na (Sodium):
  Max. 0.02 %
• Pb (Lead):
  Max. 10 ppm
• Conforms to Reag. Ph.Eur.:
  Passes test