Specification Test Results

• Assay:
  Min. 98.0 %
• Water insoluble matter:
  Max. 0.01 %
• Loss on drying (105°C):
  Max. 1.0 %
• pH (5 %, 25 °C):
  8.5 - 9.6
• Iron (Fe):
  Max. 10 ppm
• Sodium (Na):
  Max. 500 ppm
• Heavy metals (as Pb):
  Max. 5 ppm
• Chloride (Cl):
  Max. 30 ppm
• Total N:
  Max. 10 ppm
• Sulfate (SO₄):
  Max. 50 ppm
• Appearance of the solution:
  complying