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Normas DIN – AENOR
DIN EN ISO 9439:2000-10

DIN EN ISO 9439:2000-10

Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version EN ISO 9439:2000

Qualité de l'eau - Evaluation de la biodégradabilité aérobie ultime des composés organiques - Essai de dégagement de dioxyde de carbone (ISO 9439:1999); Version allemande EN ISO 9439:2000

Wasserbeschaffenheit - Bestimmung der vollständigen aeroben biologischen Abbaubarkeit organischer Stoffe im wäßrigen Medium - Verfahren mit Kohlenstoffdioxid-Messung (ISO 9439:1999); Deutsche Fassung EN ISO 9439:2000

Fecha:
2010-10 /Active
Equivalencias internacionales:

EN ISO 9439 (2000-04)

ISO 9439 (1999-03)

SN EN ISO 9439 (2000-06)

Relación con otras normas DIN:

Reemplaza a: DIN EN ISO 9439:1999-11

Reemplaza a: DIN EN 29439:1993-04

Resumen:
The document describes a method for the determination of the biodegradation of organic compounds by aerobic micro-organisms, using a test medium. The level of biodegradation is determined indirectly by measurement of the released carbon dixoide during the test time.
Keywords:
Aerobic bacteria, Analysis, Biodegradability, Carbon dioxide, Chemistry of water, Concentration, Definitions, Degradability, Determination, Determination of content, Measurement, Measuring techniques, Microorganisms, Organic compounds, Organic matters, Quality, Standard methods, Testing, Water, Water pollution, Water practice, Water quality, Water testing
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