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EN ISO 9887:1994

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

Sep 27, 2001

General information

90.93 Standard confirmed   May 21, 2008

CEN

CEN/TC 230 Water analysis

European Norm

13.060.30   Sewage 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.

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PUBLISHED
EN ISO 9887:1994
90.93 Standard confirmed
May 21, 2008

Relations

Adopted from ISO 9887:1992 IDENTICAL