Water quality. Determination of the chemical oxygen demand index (ST-COD). Small-scale sealed-tube method
水质 化学需氧指数(ST-COD)的测定 小型密封管法
2002-12-10
KS I ISO 15705
수질 — 화학적 산소 요구량 측정법 (ST-COD) — 소형 밀폐관법
水质化学需氧量指数(ST-COD)的测定小型密封管法
2023-12-29
ISO 15705-2002
Water quality — Determination of the chemical oxygen demand index (ST-COD) — Small-scale sealed-tube method
水质与灰分;化学需氧量指数(ST-COD)的测定——小型密封管法
2002-11-18
DIN ISO 15705
Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed tube method (ISO 15705:2002)
水质化学需氧指数(ST-COD)的测定小型密封管法
2003-01-01
DIN 38409-43
German standard methods for the analysis of water, waste water and sludge; Summary action and material characteristic parameters (group H); Determination for the chemical oxygen demand (COD); short duration method (H 43)
德国水、废水和污泥分析标准方法;总结作用和材料特征参数(H组);化学需氧量(COD)的测定;短时法(H43)
1981-12-01
DIN 38409-41
German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41)
德国水、废水和污泥检验标准方法;总结作用和材料特征参数(H组);在15 mg/l(H41)范围内测定化学需氧量(COD)
1980-12-01
DIN 38409-44
German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
德国水、废水和污泥检验标准方法;表征效应和物质的参数(H组);化学需氧量(COD)的测定 范围为5至50 mg/l(H 44)