Specification Test Results

• Purity:
  ≥99.0%
• Residue after Ignition:
  ≤0.03%
• Chloride:
  ≤0.002%
• Nitrate:
  ≤0.002%
• Phosphate:
  ≤5ppm
• Sulfate:
  ≤0.02%
• Heavy Metals:
  ≤0.002%
• Iron:
  ≤0.001%
• Substance Darkened by Sulfuric Acid:
  Passes