Specification Test Results

• Assay:
  Min. 98 %
• pH (20°C):
  About 8
• pH (25°C; 5 %):
  7.7 - 8.1
• Heavy metals (as Pb):
  Max. 0.001 %
• Insolubility in water:
  Max. 50 ppm
• Cl (Chloride):
  Max. 0.001 %
• SO₄ (Sulphate):
  Max. 0.01 %
• NO₃ (Nitrate):
  Max. 0.003 %
• Ca (Calcium):
  Max. 10 ppm
• Fe (Iron):
  Max. 10 ppm
• K (Potassium):
  Max. 0.005 %
• Mg (Magnesium):
  Max. 5 ppm
• Na (Sodium):
  Max. 0.005 %
• Conforms to ACS:
  Passes test
• Conforms to Reag. Ph.Eur.:
  Passes test