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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 15456-2019 |
Determination of the Chemical oxygen demand in industrial circulating cooling water—Permanganate index method 工业循环冷却水中化学需氧量（COD）的测定 高锰酸盐指数法 |
China National Standards Chemical oxygen demand |
 English PDF |
| GB/T 34500.2-2017 |
Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of Chemical oxygen demand（COD） 稀土废渣、废水化学分析方法 第2部分：化学需氧量(COD)的测定 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 32208-2015 |
Chemical oxygen demand meters 化学需氧量（COD）测定仪 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 22597-2014 |
Determination of Chemical oxygen demand of reclaimed wastewater―Potassium dichromate method 再生水中化学需氧量的测定 重铬酸钾法 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 31195-2014 |
High chloride high ammonia wastewater―Determination of Chemical oxygen demand―Chloride ion calibration method 高氯高氨废水 化学需氧量的测定 氯离子校正法 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 14420-2014 |
Analysis of water used in boiler and cooling system―Determination of Chemical oxygen demand―Rapid method with potassium dichromate 锅炉用水和冷却水分析方法 化学耗氧量的测定 重铬酸钾快速法 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 29599-2013 |
Textile dyeing and finishing auxiliaries - Determination of Chemical oxygen demand(COD) 纺织染整助剂 化学需氧量(COD)的测定 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 27852-2011 |
Chemicals - Biodegradation screening test - BioChemical oxygen demand 化学品 生物降解筛选试验 生化需氧量 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 27849-2011 |
Chemicals-Degradation screening test - Chemical oxygen demand 化学品 降解筛选试验 化学需氧量 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 15456-2008 |
Industrial circulating cooling water - Determination of the Chemical oxygen demand - Potassium permanganate method 工业循环冷却水中化学需氧量(COD)的测定 高锰酸钾法 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 7488-1987 |
Water quality--Determination of bioChemical oxygen demand after 5 days(BOD5)--Dilution and seeding method 水质 五日生化需氧量(BOD5)的测定 稀释与接种法 |
China National Standards Chemical oxygen demand |
English PDF |
| GB/T 4921-1985 |
Waste gasfrom manufacturing process--Determination of chemical oxygendemand and nitrogenoxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method 工业废气 耗氧值和氧化氮的测定 重铬酸钾氧化、萘乙二胺比色法 |
China National Standards Chemical oxygen demand |
English PDF |
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