KS I ISO 9408-2021 水質(zhì) 通過(guò)密閉呼吸計(jì)測(cè)定需氧量來(lái)評(píng)價(jià)水介質(zhì)中有機(jī)化合物的最終需氧生物降解性
Water quality-Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer