ISO 6439:1990
Water quality; determination of phenol index; 4-aminoantipyrine spectrometric methods after distillation

Standard No.

ISO 6439:1990

Release Date

1990

Published By

International Organization for Standardization (ISO)

Latest

ISO 6439:1990

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.

ISO 6439:1990 history

• 1990 ISO 6439:1990 Water quality; determination of phenol index; 4-aminoantipyrine spectrometric methods after distillation
• 1984 ISO 6439:1984 Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation