Specification Test Results

• Assay:
  Min. 99.0 %
• pH (5 %, 25 °C):
  6.0 - 9.2
• Loss on drying:
  Max. 0.2 %
• Water insoluble matter:
  Max. 0.005 %
• Barium (Ba):
  Max. 0.002 %
• Calcium (Ca):
  Max. 0.002 %
• Iron (Fe):
  Max. 3 ppm
• Magnesium (Mg):
  Max. 0.001 %
• Sodium (Na):
  Max. 0.005 %
• Heavy metals (as Pb):
  Max. 5 ppm
• Bromide, chloride (as Cl):
  Max. 0.01 %
• Iodate (IO₃):
  Max. 3 ppm
• Phosphate (PO₄):
  Max. 0.001 %
• Sulfate (SO₄):
  Max. 0.005 %