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ISO 9887:1992

Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Semi-continuous activated sludge method (SCAS) ISO 9887:1992

Publication date:   Oct 1, 1992

General information

90.20 Standard under periodical review   Jan 15, 2024

ISO

ISO/TC 147/SC 5 Biological methods

International Standard

13.060.70   Examination of biological properties of water

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Scope

The method specified applies to organic compounds which are soluble, non-volatile (or which have a neglible vapour pressure), not lost by foaming from the test solution, not significantly adsorbable on glass and activated sludge, not inhibitory to the test microorganisms. Its principle is comparison with the comparison of dissolved organic carbon in the effluent from a control unit. Annex A gives examples of results of the test on various compounds, Annex B typical control values.

Life cycle

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PUBLISHED
ISO 9887:1992
90.20 Standard under periodical review
Jan 15, 2024