Specification Test Results

• Assay:
  Min. 99.0 %
• Identification:
  Passes test
• IR Spectrum:
  Passes test
• pH (25°C; 5 %):
  7.0 - 9.2
• Heavy metals (as Pb):
  Max. 10 ppm
• Insolubility in water:
  Max. 100 ppm
• Loss on drying (120°C):
  Max. 1.0 %
• Cl (Chloride):
  Max. 20 ppm
• PO₄ (Phosphate):
  Max. 10 ppm
• SO₄ (Sulphate):
  Max. 30 ppm
• Al (Aluminium):
  Max. 10 ppm
• Ca (Calcium):
  Max. 50 ppm
• Cu (Copper):
  Max. 3 ppm
• Fe (Iron):
  Max. 10 ppm
• K (Potassium):
  Max. 0.05 %
• Mg (Magnesium):
  Max. 20 ppm
• Conforms to ACS:
  Passes test
• Conforms to Reag. Ph.Eur.:
  Passes test