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See Chinese contents: HJ 680-2013 HJ 680-2013: Soil and sediment. Determination of mercury, arsenic, selenium, bismuth, antimony. Microwave dissolution/Atomic Fluorescence Spectrometry
This Standard specifies the microwave dissolution/atomic fluorescence spectrometry for the determination of mercury, arsenic, selenium, bismuth, and antimony in soil and sediment. This Standard applies to the determination of mercury, arsenic, selenium, bismuth, and antimony in soil and sediment. When the sample size is 0.5 g, for mercury, the detection limit of this method is 0.002 mg/kg, and the lower limit of determination is 0.008 mg/kg; for arsenic, selenium, bismuth, and antimony, the detection limit is 0.01 mg/kg, and the lower limit of determination is 0.04 mg/kg.
