Specification Test Results

• Assay (Unspecified):
  ≥99.0% (Dry Basis)
• Identification (FTIR):
  Conforms
• pKa (20 °C):
  7.55 ±0.15
• A (250 nm, 1 M, 1 cm):
  ≤0.2
• Loss on Drying:
  ≤0.5%
• Residue on Ignition:
  ≤0.1%
• Chloride (Cl):
  ≤0.005%
• Phosphate (PO₄):
  ≤0.001%
• Sulphate (SO₄):
  ≤0.01%
• Iron (Fe):
  ≤5 ppm
• Heavy Metals (Pb):
  ≤10 ppm
• Assay (Unspecified) Absorbance (250 nm, 1 M, 1 cm):
  ≤0.2