# ISO 6439:1984 — Withdrawn and superseded ISO standards For ISO 6439:1984, item title is Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation; status code is 9599; successor is ISO 6439:1990; withdrawn / published date is 1984-06-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 6439:1984 _(verified: appears in the quote below)_ - **Item title:** Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 6439:1990 - **Withdrawn / published date:** 1984-06-01 _(verified: appears in the quote below)_ ## What the source says > 12794,IS,,ISO 6439:1984,Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation,Qualité de l'eau — Détermination de l'indice phénol — Méthode spectrométrique à l'amino-4 antipyrine après distillation,1984-06-01,1,['13.060.50'],ISO/TC 147/SC 2,9599,,[12795],"['en','fr']",7, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).