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June 1, 1979Analytical Chemistry

Sequential extraction procedure for the speciation of particulate trace metals

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Authors

ATAndré TessierCegep de Sainte FoyPCPeter G. C. CampbellInstitut National de la Recherche ScientifiqueMBM. B�issonInstitut National de la Recherche Scientifique

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Overview

Methodological study reveals a multi-step extraction procedure for particulate trace metals, highlighting geochemical partitioning and environmental mobility.

Key Points

  • To establish and evaluate an analytical sequential extraction procedure for partitioning and quantifying particulate trace metals across distinct geochemical forms.
  • Designed a selective, multi-stage chemical extraction protocol to partition trace metals in particulate and sediment samples.
  • Sequentially isolated five operational fractions: exchangeable, bound to carbonates, bound to iron-manganese oxides, bound to organic matter, and residual.
  • Differentiated particulate trace metals into reproducible operational fractions that reflect distinct geochemical associations.
  • Provided an analytical framework to evaluate the relative mobility, transport pathways, and potential bioavailability of trace metals in aquatic environments.

Cite This Study

Tessier et al. (1979) studied this question.

synapsesocial.com/papers/69d626ffbcbb69330b88b45ehttps://doi.org/10.1021/ac50043a017
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