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ISO 1066:1975

Analysis of soaps -- Determination of glycerol content -- Titrimetric method

This standard has been reviewed and then confirmed in 2010 
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The determination is carried out in the following way: Decomposition of the soap with sulphuric acid, and extraction of the fatty acids with light petroleum. Oxidation of the glycerol by periodic acid to formic acid and formaldehyde, and titration of the formic acid produced using a pH meter.


  • Edition: 1 (Monolingual) ICS: 71.100.40
    Status: Published Stage: 90.93 (2010-10-30)
    TC/SC: ISO/TC 91 Number of Pages: 3
  • No revision information available

  • No corrigenda or amendments available

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