Potassium nitrate 99+% ACS

Specification Test Results

• Appearance:
  White Crystalline powder or crystals
• pH:
  4.5 to 8.5 (5% soln. at 25°C)
• Titration after Ion exchange:
  ≥99.0 %
• Chloride (Cl):
  ≤0.002 %
• Iodate (IO3):
  ≤5 ppm
• Nitrite (NO2):
  ≤0.001 %
• Phosphate (PO4):
  ≤5 ppm
• Sulfate (SO4):
  ≤0.003 %
• Calcium (Ca):
  ≤0.005 %
• Iron (Fe):
  ≤3 ppm
• Magnesium (Mg):
  ≤0.002 %
• Sodium (Na):
  ≤0.005 %
• Heavy metals (ICP-OES):
  ≤5 ppm
• Insoluble matter:
  ≤0.005 %