A Chelating Agent - Activated Carbon - PIXE Procedure for Sub-ppb Analysis of Trace Elements in Water

Eva-Marta Johansson, Roland Akselsson

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Sammanfattning

By combining suitable water preconcentration techniques and Particle-Induced X-ray Emission analysis (PIXE), we have developed a procedure for multielemental sub-ppb water analysis. The preconcentration step consists of adsorbing the metals in the form of organic chelates onto activated carbon, which is pressed to a tablet and then analysed by PIXE. For very low concentrations and small volumes of water, a “mini-tablet” technique of sample preparation is employed. The versatility of the chelating-adsorption-PIXE procedure is demonstrated for several different kinds of water.

Bibliografisk information

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Ergonomics and Aerosol Technology (011025002), Nuclear Physics (Faculty of Technology) (011013007)

Ämnesklassifikation (UKÄ)

  • Subatomär fysik
  • Produktionsteknik, arbetsvetenskap och ergonomi

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