Specification Test Results

• Appearance:
  White Crystals
• Titration Iodimetric:
  99.5 to 101.0 %
• pH:
  6.0 to 8.4 (5 % solution at 25.0°C)
• Sulfide (S):
  Passes test (limit about 1 ppm)
• SO4 and SO3 (as SO4):
  ≤0.1 %
• Insoluble matter:
  ≤0.005 %
• Nitrogen compounds (as N):
  ≤0.002 %