International Standard
ISO 4314:1977
Surface active agents — Determination of free alkalinity or free acidity — Titrimetric method
Reference number
ISO 4314:1977
Edition 1
1977-02
International Standard
Read sample
ISO 4314:1977
10183
Published (Edition 1, 1977)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 4314:1977

ISO 4314:1977
10183
Language
Format
CHF 42
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Abstract

The determination is carried out in the following way: Titration of an ethanolic or propanolic solution of the product with a standard volumetric potassium hydroxide or hydrochloric acid or sulphuric acid solution whichever is appropriate, in the presence of phenolphthalein as indicator.

General information

  •  : Published
     : 1977-02
    : International Standard confirmed [90.93]
  •  : 1
     : 2
  • ISO/TC 91
    71.100.40 
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