Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium. Static test (Zahn-Wellens method)
水质 水介质中有机化合物最终需氧生物降解能力的评估 静态试验(Zahn-Wellens法)
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.Cross References:ISO 7827:1994ISO 8192:1986ISO 9408ISO 9439ISO 9887ISO 11733:1995ISO 11923:1997ISO/TR 15462:1997ISO 6060:1989ISO 8245:1987EN 1484:1997