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Full Description

This International Standard specifies two methods for the determination of mercury in water, for example in ground, surface and waste waters.

In the method described in clause 4, tin(II) chloride is used as reducing agent. In the method given in clause 5, sodium tetrahydroborate is used as reducing agent. The choice of the method depends on the equipment available and the matrix (see clause 3). Both methods are suitable for the determination of mercury in the concentration range from 0,1 μg/l to 10 μg/l. Higher concentrations can be determined if the water sample is diluted.

 

Document History

  1. ISO 12846:2012


    Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment

    • Most Recent
  2. ISO 16590:2000


    Water quality -- Determination of mercury -- Methods involving enrichment by amalgamation

    • Historical Version
  3. ISO 5666:1999

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    Water quality -- Determination of mercury

    • Historical Version