Specification Test Results

• Appearance:
  White Crystalline powder or crystals
• Assay:
  ≥99.0 % (on dry substance)
• Loss on drying:
  ≤2.0 % (130°C, 2 h)
• pH:
  6.0 to 8.0 (5 % in water)
• Chloride (Cl):
  ≤30 ppm
• Sulfate (SO4):
  ≤20 ppm
• Calcium (Ca):
  ≤200 ppm
• Iron (Fe):
  ≤5 ppm
• Potassium (K):
  ≤500 ppm
• Heavy metals (as Pb):
  ≤5 ppm
• Insoluble matter:
  ≤0.005 % (in water)