Specification Test Results

• Assay:
  98.0 - 100.5 %
• Assay of Na₂CO₃:
  Max. 1.0 %
• Aluminium (Al):
  Max. 0.0005 %
• Arsenic (As):
  Max. 0.0001 %
• Calcium (Ca):
  Max. 0.0005 %
• Copper (Cu):
  Max. 0.0005 %
• Iron (Fe):
  Max. 5 ppm
• Mercury (Hg):
  Max. 0.05 ppm
• Potassium (K):
  Max. 0.02 %
• Magnesium (Mg):
  Max. 0.0005 %
• Nickel (Ni):
  Max. 0.0005 %
• Lead (Pb):
  Max. 0.0002 %
• Zinc (Zn):
  Max. 0.0005 %
• Heavy metals (as Pb):
  Max. 5 ppm
• Heavy metals (as Ag):
  Max. 0.002 %
• Chloride (Cl):
  Max. 100 ppm
• Phosphate (PO₄):
  Max. 0.0005 %
• Silicate (as SiO₂):
  Max. 0.001 %
• Sulfate (SO₄):
  Max. 100 ppm
• Total N:
  Max. 0.0003 %
• Appearance of the solution:
  complying
• Vapor Pressure:
  <18 mmHg ( 20 °C)