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See Chinese contents: HJ 501-2009 HJ 501-2009: Water quality. Determination of total organic carbon. Combustion oxidation nondispersive infrared absorption method
This Standard specifies the combustion oxidation nondispersive infrared absorption method for the determination of total organic carbon (TOC) in surface water, groundwater, domestic sewage and industrial wastewater. This Standard is applicable to the determination of total organic carbon (TOC) in surface water, groundwater, domestic sewage and industrial wastewater. The detection-limit is 0.1 mg/L, and the lower limit of determination is 0.5 mg/L.
