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ISO 6439:1990

Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation

Publication date:   May 24, 1990

General information

90.93   Standard confirmed   Apr 4, 2023

ISO

ISO/TC 147/SC 2 Physical, chemical and biochemical methods

International Standard

13.060.50   Examination of water for chemical substances

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6439:1984

NOW

PUBLISHED
ISO 6439:1990
90.93 Standard confirmed
Apr 4, 2023