Specification Test Results

• Minimum Assay (Acidim.):
  99.0%
• pH of 5% Solution:
  4.2 - 4.5
• Insoluble Matter in H₂O:
  Max. 0.01%
• Loss on Drying at 105 °C:
  Max. 0.2%
• Chloride (Cl):
  Max. 0.0005%
• Nitrogen Compounds (as N):
  Max. 0.001%
• Sulphate (SO₄):
  Max. 0.003%
• As:
  Max. 0.0002%
• Heavy Metals (ICP-OES):
  Max. 0.001%
• Ag (by ICP):
  5 mg/kg (ppm)
• Al (by ICP):
  5 mg/kg (ppm)
• Au (by ICP):
  5 mg/kg (ppm)
• B (by ICP):
  5 mg/kg (ppm)
• Ba (by ICP):
  5 mg/kg (ppm)
• Be (by ICP):
  5 mg/kg (ppm)
• Bi (by ICP):
  5 mg/kg (ppm)
• Ca (by ICP):
  50 mg/kg (ppm)
• Cd (by ICP):
  5 mg/kg (ppm)
• Co (by ICP):
  5 mg/kg (ppm)
• Cr (by ICP):
  5 mg/kg (ppm)
• Cu (by ICP):
  5 mg/kg (ppm)
• Fe (by ICP):
  10 mg/kg (ppm)
• Ga (by ICP):
  5 mg/kg (ppm)
• Ge (by ICP):
  5 mg/kg (ppm)
• In (by ICP):
  5 mg/kg (ppm)
• Mg (by ICP):
  5 mg/kg (ppm)
• Mn (by ICP):
  5 mg/kg (ppm)
• Mo (by ICP):
  5 mg/kg (ppm)
• Na (by ICP):
  50 mg/kg (ppm)
• Ni (by ICP):
  5 mg/kg (ppm)
• Pb (by ICP):
  5 mg/kg (ppm)
• Sb (by ICP):
  5 mg/kg (ppm)
• Se (by ICP):
  5 mg/kg (ppm)
• Si (by ICP):
  5 mg/kg (ppm)
• Sr (by ICP):
  5 mg/kg (ppm)
• Ti (by ICP):
  5 mg/kg (ppm)
• Tl (by ICP):
  5 mg/kg (ppm)
• V (by ICP):
  5 mg/kg (ppm)
• Zn (by ICP):
  5 mg/kg (ppm)
• Zr (by ICP):
  5 mg/kg (ppm)