Recent Advances in Mercury Speciation Analysis with Focus on Spectrometric Methods and Enriched Stable Isotope Applications

This paper discusses some recent advances in spectrometric methods and approaches for mercury speciation analysis of environmental samples with focus on isotope dilution techniques for determination of mercury species' concentrations in gaseous samples and reaction rates in soils and sediments. Such analytical data is important inter alia in fundamental research on mercury biogeochemistry and for risk assessments of mercury-contaminated soils and sediments and for designing effective remedial actions. The paper describes how the use of enriched stable isotope tracers in mercury speciation analysis can improve the traceability and accuracy of results, facilitate rational method developments, and be useful for studying biogeochemical processes, i.e. rate of reactions and fluxes, of mercury species. In particular the possibilities to study and correct for unwanted species transformation reactions during sample treatment and to study “natural” transformations of species in environmental samples, or micro- and mesocosm ecosystems, during incubations are highlighted. Important considerations to generate relevant data in isotope tracer experiments as well as reliability and quality assurance of mercury speciation analysis in general are also discussed.

Larsson, TomUmeå universitet,Kemiska institutionen (författare)
Lambertsson, LarsUmeå universitet,Kemiska institutionen(Swepub:umu)laslan97 (författare)
Skyllberg, Ulf (författare)
Frech, WolfgangUmeå universitet,Kemiska institutionen (författare)
Umeå universitetKemiska institutionen (creator_code:org_t)

Av författaren/redakt...: Björn, Erik; Larsson, Tom; Lambertsson, Lar ...; Skyllberg, Ulf; Frech, Wolfgang

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