BSI - BS EN ISO 9888
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method)
|Publication Date:||15 September 1999|
|ICS Code (Examination of biological properties of water):||13.060.70|
Applicable to organic compounds which under the test conditions and test concentration are soluble, non-volatile, or of a negligible vapour pressure, not lost by foaming, and not inhibitory to the test micro-organisms.