Specification Test Results

• Appearance:
  White Crystalline powder
• Assay:
  ≥98.5 %
• Loss on drying:
  ≤0.5 %
• pH:
  ≥9 (5 % solution)
• Sodium carbonate (Na2CO3):
  ≤0.15 %
• Sodium hydroxide (NaOH):
  ≤0.1 %
• Heavy metals (as Pb):
  ≤20 ppm
• Insoluble matter:
  ≤0.05 % (in water)