ONORM EN 29408-1993 水质.含水介质中有机化合物“全”需氧生物降解能力的测定 封闭瓶内需氧量的测定方法(ISO 9408-1991)
Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic Compounds -Method of determining the oxygen demand in a closed respirometer (ISO 9408:1991)