Specification Test Results

• Identity:
  complying
• Assay:
  99.0 - 101.0 %
• Assay (calculated on the anhydrous basis):
  99.0 - 100.5 %
• Loss on drying (vacuum, 16 h):
  32.0 - 37.0 %
• pH (10 %, 20°C):
  6.0 - 9.0
• Arsenic (As):
  Max. 0.0003 %
• Calcium (Ca):
  Max. 0.005 %
• Iron (Fe):
  Max. 0.001 %
• Heavy metals (as Pb):
  Max. 0.0005 %
• Chloride (Cl):
  Max. 0.05 %
• Sulfate and sulfite (as SO₄):
  Max. 0.2 %
• Sulfide (S):
  complying
• Appearance of the solution:
  complying
• Residual solvents:
  complying