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Water quality - Determination of arsenic and antimony - Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS)
ISO 17378-2:2014 specifies a method for the determination of arsenic and antimony. The method is applicable to drinking water, surface water, ground water, and rain water.
The approximate linear application range of ISO 17378-2:2014 for both elements is from 0.5 µg/l to 20 µg/l. Samples containing higher concentrations than the application range can be analysed following appropriate dilution.
Generally, sea water is outside the scope of ISO 17378-2:2014. Sea water samples can be analysed using a standard additions approach, providing that this is validated for the samples under test.
The method is unlikely to detect organo-arsenic and organo-antimony compounds.
The sensitivity of this method is dependent on the selected operating conditions.
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