Specification Test Results

• Assay:
  99.0 - 101.0 %
• Colour of the solution:
  complying
• Clearness of the solution:
  complying
• pH (5 %, 25 °C):
  8.7 - 9.3
• Loss on drying (105°C):
  Max. 0.2 %
• Water insoluble matter:
  Max. 0.01 %
• Arsenic (As):
  Max. 1 ppm
• Calcium (Ca):
  Max. 10 ppm
• Cadmium (Cd):
  Max. 5 ppm
• Cobalt (Co):
  Max. 5 ppm
• Chromium (Cr):
  Max. 10 ppm
• Copper (Cu):
  Max. 5 ppm
• Iron (Fe):
  Max. 5 ppm
• Potassium (K):
  Max. 50 ppm
• Magnesium (Mg):
  Max. 5 ppm
• Manganese (Mn):
  Max. 5 ppm
• Nickel (Ni):
  Max. 5 ppm
• Lead (Pb):
  Max. 2 ppm
• Zinc (Zn):
  Max. 5 ppm
• Heavy metals (as Pb):
  Max. 10 ppm
• Total S (as SO₄):
  Max. 50 ppm
• Chloride (Cl):
  Max. 10 ppm
• Total N:
  Max. 10 ppm