Reference number
ISO 6439:1990
© ISO 2024
International Standard
ISO 6439:1990
Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation
Edition 2
1990-05
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Published (Edition 2, 1990)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 6439:1990

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Format
CHF 63
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Abstract

Gives procedures for drinking waters, surface waters, brines (saline waters), domestic waters and industrial waters. After a preliminary distillation the test sample are analysed according to specific application by direct colorimetric method and by chloroform extraction method.

General information

  • Status
     : Published
    Publication date
     : 1990-05
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 7
  • Technical Committee :
    ISO/TC 147/SC 2
    ICS :
    13.060.50 
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