Specification Test Results

• Appearance:
  Conforms (see CoA/CoS)
• Heavy metals (as Pb):
  Max. 20 ppm
• Residual solvents:
  Passes test
• As (Arsenic):
  Max. 1 ppm
• Cd (Cadmium):
  Max. 1 ppm
• Co (Cobalt):
  Max. 1 ppm
• Hg (Mercury):
  Max. 1 ppm
• Ni (Nickel):
  Max. 1 ppm
• Pb (Lead):
  Max. 5 ppm
• V (Vanadium):
  Max. 1 ppm
• Conforms to Ph.Eur./NF/BP/JP:
  Passes test
• Ph.Eur./BP specifications::
  Min. 11.0
• Assay (calculated as NaOH) [Ph.Eur./BP]:
  97.0 --> 100.5 %
• Identification A [Ph.Eur./BP]:
  Min. 11.0
• Identification B:
  Passes test Ph.Eur./BP
• Appearance of solution:
  Passes test Ph.Eur./BP
• CO3 (as Na2CO3) [Ph.Eur./BP]:
  Max. 2.0 %
• Cl (Chloride) [Ph.Eur./BP]:
  Max. 200 ppm
• SO4 (Sulphate) [Ph.Eur./BP]:
  Max. 200 ppm
• Fe (Iron) [Ph.Eur./BP]:
  Max. 10 ppm
• NF specifications::
  Max. 1 ppm
• Assay (total alkali) [NF]:
  95.0 --> 100.5 %
• Sodium carbonate [NF]:
  Max. 3.0 %
• Content of sodium [NF]:
  54.0 --> 59.8 %
• Identification A:
  Passes test NF
• K (Potassium) [NF]:
  Max. 0.5 %
• Insoluble substances and organic matter:
  Passes test NF
• Assay (calculated as NaOH) [JP]:
  Min. 95.0 %
• Identification 1:
  Passes test JP
• Identification 2:
  Passes test JP
• Clarity and colour of solution:
  Passes test JP
• Cl (Chloride) [JP]:
  Max. 0.050 %
• K (Potassium):
  Passes test JP
• Sodium carbonate [JP]:
  Max. 2.0 %