Specification Test Results

• Appearance:
  White Crystalline powder
• Infrared spectrum:
  Conforms
• Residue after ignition:
  ≤0.02 %
• Titration with NaOH:
  ≥99.5 %
• Carboniz. sub. by hot H2SO4:
  (tartrates, etc) Passes test
• Chloride (Cl):
  ≤10 ppm
• Oxalate (C2O4):
  (limit about 0.05%) Passes test
• Phosphate (PO4):
  ≤10 ppm
• Iron (Fe):
  ≤3 ppm
• Lead (Pb):
  ≤2 ppm
• Sulfur compounds (as SO4):
  ≤20 ppm
• Insoluble matter:
  ≤0.005 %