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download between 0-24 hoursReleased: 1990
ISO 6439:1990
ISO 6439:1990-Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation
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Standard´s number: | ISO 6439:1990 |
Pages: | 7 |
Edition: | 2 |
Released: | 1990 |
DESCRIPTION
ISO 6439:1990
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.