ISO 9439:1990
For ISO 9439:1990, item title is Water quality — Evaluation in an aqueous medium of the 'ultimate' aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxide; status code is 9599; successor is ISO 9439:1999; withdrawn / published date is 1990-11-22, recorded from its source on 2026-08-05.
- Identifier
- ISO 9439:1990 verified
- Item title
- Water quality — Evaluation in an aqueous medium of the 'ultimate' aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxide verified
- Status code
- 9599 verified
- Successor
- ISO 9439:1999
- Withdrawn / published date
- 1990-11-22 verified
Verified
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What the source says
17142,IS,,ISO 9439:1990,Water quality — Evaluation in an aqueous medium of the 'ultimate' aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxide,"Qualité de l'eau — Évaluation, en milieu aqueux, de la biodégradabilité aérobie 'ultime' des composés organiques — Méthode par dosage du dioxyde de carbone dégagé",1990-11-22,1,['13.060.70'],ISO/TC 147/SC 5,9599,,[26727],"['en','fr']",9,
— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05
Source
- isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv