Specification Test Results

• Assay:
  99.0% min
• Calcium (Ca):
  0.005% max
• Chloride (Cl):
  0.002% max
• Color:
  White
• Form:
  Crystals
• Heavy metals (as Pb):
  5ppm max
• Insoluble matter:
  0.005% max
• Iodate (IO3):
  5ppm max
• Iron (Fe):
  3ppm max
• Magnesium (Mg):
  0.002% max
• Nitrite (NO2):
  0.001% max
• pH of a 5% solution at 25°C:
  4.5-8.5
• Phosphate (PO4):
  5ppm max
• Sodium (Na):
  0.005% max
• Sulfate (SO4):
  0.003% max