Specification Test Results

• Assay (Dry Basis):
  ≥98.5%
• Assay Absorbance (250 nm, 1 M, 1 cm):
  ≤0.1
• Chloride Content:
  ≤0.01%
• Identification (FTIR):
  Conforms
• Residue on Ignition:
  ≤0.1%
• Impurity Content Sulphate (SO₄):
  ≤0.02%
• Loss on Drying:
  ≤0.5%
• pKa (20 °C):
  7.20 ±0.15
• Iron (Fe):
  ≤5 ppm
• Lead (Pb):
  ≤10 ppm