Specification Test Results

• Identity (IR):
  complying
• Assay (calculated to the dried substance):
  99.0 - 101.0 %
• Loss on drying (150°C):
  8.7 - 11.4 %
• pH (1 %,25°C):
  4.3 - 4.7
• pH (5 %, 25 °C):
  4.0 - 6.0
• pH (5 %, 20°C):
  4.0 - 5.0
• Arsenic (As):
  Max. 0.0001 %
• Calcium (Ca):
  complying
• Iron (Fe):
  Max. 10 ppm
• Lead (Pb):
  Max. 10 ppm
• Heavy metals (as Pb):
  Max. 10 ppm
• Chloride (Cl):
  Max. 0.01 %
• Cyanide (CN):
  Max. 0.001 %
• Sulfate (SO₄):
  Max. 0.05 %
• Nitrilotriacetic acid (HPLC):
  Max. 0.1 %
• Residual solvents:
  complying
• Appearance of the solution:
  complying