Specification Test Results

• Appearance:
  Colorless to white Crystalline powder or crystals
• Residue after ignition:
  ≤0.005 %
• pH:
  5.0 to 6.0 (5 % at 25.0°C)
• Titration excess NaOH:
  ≥99.0 %
• Chloride (Cl):
  ≤5 ppm
• Nitrate (NO3):
  ≤0.001 %
• Phosphate (PO4):
  ≤5 ppm
• Iron (Fe):
  ≤5 ppm
• Heavy metals (ICP-OES):
  ≤5 ppm
• Insoluble matter:
  ≤0.005 %