Arsenic and mercury in drinking water and seawater

Arsenic and mercury in drinking water and seawater

Gold micro-wire electrode for voltammetric determination of inorganic arsenic and mercury in waters.

Voltammetry using a scTRACE Gold sensor offers a simple, highly affordable alternative to the spectroscopic determination of arsenic and mercury in drinking water and seawater.

The scTRACE Gold is a combined sensor: a gold micro-wire working electrode, Ag/AgCl reference electrode and carbon auxiliary electrode are located on a ceramic chip. Simple in its handling and practically maintenance-free, the scTRACE Gold can be employed to determine both arsenic and mercury in waters at trace levels.

Together with the 6.1241.080 electrode shaft it may be used with any Metrohm voltammetry measuring stand.

  • Sensor for voltammetric determination of arsenic and mercury
  • Complete measurement system in one sensor (working, reference, and auxiliary electrodes)
  • Easy to use
  • No conditioning required before use
  • Inexpensive sensor allows for regular replacement
  • Maintenance-free
  • Differentiates between arsenic(III) and arsenic(V).
Documents
Questions? Contact us

Metrohm Application Bulletin 416/1: Determination of arsenic in water with the scTRACE Gold (This Application Bulletin describes the determination of arsenic in water samples by anodic stripping voltammetry using the scTRACE Gold sensor. This method makes it possible to distinguish between As(total) and As(III). With a deposition time of 60 s the limit of detection for As(total) is 0.9 µg/L, whilst for As(III) it is 0.3 µg/L.)

Metrohm Application Bulletin 422/1: Determination of mercury in water with the scTRACE Gold (This Application Bulletin describes the determination of inorganic mercury in water samples by anodic stripping voltammetry using the scTRACE Gold sensor. With a deposition time of 60 s calibration is linear up to a concentration of 15 µg/L and the limit of detection is 0.1 µg/L.)

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