ISO 9408-1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer http://bbs.instrument.com.cn/topic/6454559
ISO 9408-1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer http://bbs.instrument.com.cn/topic/6454559