共找到 150 條與 化學需氧量 相關的標準，共 10 頁
Specifies a method of determining the chemical oxygen demand (COD) in water and wastewater. The method is applicable to the determination of COD
Water - Chemical oxygen demand
Biochemical oxygen demand (BSB)
The test is intended to determine the chemical oxygen demand (called COD) in water for domestic use and in water for industrial use, by the method
WATER TESTING : CHEMICAL OXYGEN DEMAND
De norm is van toepassing op alle soorten water. Uitgaande van 20 ml analysemonster is een onderste analysegrens van het chemisch zuurstofverbruik
Water - Determination of chemical oxygen demand (COD)
本標準規定了化學需氧量(COD)測定儀的術語和定義、分類、要求、試驗方法、檢驗規則、標志、包裝、運輸和貯存。 本標準適用于檢測生活污水、工業廢水和地表水等水體中化學需氧量(COD)的測定儀，其檢測原理或檢測方法一般采用重鉻酸鉀氧化一氧化還原滴定法、重鉻酸鉀氧化一分光光度法和重鉻酸鉀氧化一庫侖滴定法
Chemical oxygen demand meters
Water quality.Determination of the chemical oxigen demand
Water quality ― Determination of the chemical oxygen demand
この規格は，水の化學的酸素消費量，CODの測定に関する方法について規定する。COD値30～700 mg/lの水に適用する。塩化物含有量は1 000 mg/lを超えてはならない。試料が。これらの條件を満たしていれば直接分析を行う。 COD値が700 mg/lを超えるときは試料を薄める。最も正確なのは
Water quality -- Determination of the chemical oxygen demand
Water quality - Determination of the chemical oxygen demand
Water quality－Determination of the chemical oxygen demand
Water quality — Determination of the chemical oxygen demand
Water quality -- Determination of the chemical oxygen demand
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Water quality－Determination of the chemical oxygen demand
Med den beskrevne metode bestemmes en pr?ves kemiske oxygenforbrug med kaliumperman-ganat, COD(Mn) (COD = Chemical Oxygen Demand, se pkt. 2). Metodens
Chemical oxygen demand. Permanganate method
Water quality -- Determination of the chemical oxygen demand
