Reference number
ISO 4316:1977
© ISO 2025
International Standard
ISO 4316:1977
Surface active agents — Determination of pH of aqueous solutions — Potentiometric method
Edition 1
1977-08
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Published (Edition 1, 1977)
This publication was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 4316:1977

Language
Format
CHF 43
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Abstract

The determination is carried out in the following way: Potentiometric measurement of the potential difference between a glass electrode and a reference electrode dipping in an aqueous solution of the sample. This method is only applicable when so indicated in the specific standard for each product.

General information

  • Status
     : Published
    Publication date
     : 1977-08
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 91
    ICS :
    71.100.40 
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