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Sodium hydroxide 97.0-100.5%, pellets NF, JP, Ph. Eur., BP
 :  VWR Chemicals
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Sodium hydroxide 97.0-100.5%, pellets NF, JP, Ph. Eur., BP
 :  VWR Chemicals
 

 

  • Environmentally Preferable:

 

 

  • 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 %