ISO 1066:1975
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ISO 1066:1975
5559

Status : Published (Under review)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
en
Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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Abstract

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.

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General information

  •  : Published
     : 1975-05
    : International Standard confirmed [90.93]
  •  : 1
     : 3
  • ISO/TC 91
    71.100.40 
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