Specification Test Results

• Assay (calc. on dried substance):
  99.8 - 100.5 %
• Acidity or alkalinity:
  Passes test Ph.Eur.
• Appearance of solution:
  Passes test Ph.Eur.
• Bromides and iodides:
  Passes test Ph.Eur.
• Identification A:
  Passes test Ph.Eur.
• Identification B:
  Passes test Ph.Eur.
• pH (25°C; 5 %):
  4.5 - 5.5
• Heavy metals (as Pb):
  Max. 5 ppm
• Ignition residue (SO₄):
  Max. 100 ppm
• Insolubility in water:
  Max. 50 ppm
• Loss on drying (105°C; 2 h):
  Max. 1 %
• NO₃ (Nitrate):
  Max. 5 ppm
• PO₄ (Phosphate):
  Max. 2 ppm
• SO₄ (Sulphate):
  Max. 20 ppm
• Ca (Calcium):
  Max. 5 ppm
• Cu (Copper):
  Max. 2 ppm
• Fe (Iron):
  Max. 2 ppm
• K (Potassium):
  Max. 50 ppm
• Mg (Magnesium):
  Max. 5 ppm
• Na (Sodium):
  Max. 50 ppm
• Ni (Nickel):
  Max. 1 ppm
• Pb (Lead):
  Max. 1 ppm
• Zn (Zinc):
  Max. 2 ppm
• Conforms to ACS:
  Passes test
• Conforms to Reag. Ph.Eur.:
  Passes test