Specification Test Results

• Assay (Complexometric):
  99.0 - 101.0%
• Identity According to Pharmacopoeias:
  Passes Test
• pH of 5% Solution:
  4.0 - 5.0
• Insoluble Matter in H₂O:
  0.01%
• Loss on Drying at 150 °C (6 Hours):
  8.7 - 11.4%
• Chloride (Cl):
  0.02%
• Sulphate (SO₄):
  0.1%
• Residual Solvents (Ph. Eur./USP):
  Passes Test
• Nitrilotriacetic Acid [(CH₂COOH)₃N]:
  0.1%
• Heavy Metals (as Pb):
  0.001%
• Ca:
  Passes Test
• Fe:
  0.0005%