China Chemical oxygen dema GB Standards Search Result |
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GB/T 15456-2019 Determination of the Chemical oxygen demand in industrial circulating cooling water—Permanganate index method - 英文版 |
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GB/T 34500.2-2017 Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of Chemical oxygen demand（COD） - 英文版 |
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GB/T 32208-2015 Chemical oxygen demand meters - 英文版 |
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GB/T 22597-2014 Determination of Chemical oxygen demand of reclaimed wastewater―Potassium dichromate method - 英文版 |
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GB/T 31195-2014 High chloride high ammonia wastewater―Determination of Chemical oxygen demand―Chloride ion calibration method - 英文版 |
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GB/T 14420-2014 Analysis of water used in boiler and cooling system―Determination of Chemical oxygen demand―Rapid method with potassium dichromate - 英文版 |
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GB/T 29599-2013 Textile dyeing and finishing auxiliaries - Determination of Chemical oxygen demand(COD) - 英文版 |
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GB/T 27852-2011 Chemicals - Biodegradation screening test - BioChemical oxygen demand - 英文版 |
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GB/T 27849-2011 Chemicals-Degradation screening test - Chemical oxygen demand - 英文版 |
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GB/T 15456-2008 Industrial circulating cooling water - Determination of the Chemical oxygen demand - Potassium permanganate method - 英文版 |
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GB/T 7488-1987 Water quality--Determination of bioChemical oxygen demand after 5 days(BOD5)--Dilution and seeding method - 英文版 |
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GB/T 4921-1985 Waste gasfrom manufacturing process--Determination of chemical oxygendemand and nitrogenoxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method - 英文版 |
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