Specification Test Results

• Appearance:
  White Powder
• Assay:
  ≥99.5 % (on ignited substance) Typical
• Specific surface area:
  35 to 65 m²/g
• pH:
  3.5 to 4.5 (4 % dispersion)
• Acidity (HCl):
  ≤0.3 %