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Antimony uptake by Zea mays (L.) and Helianthus annuus (L.) from nutrient solution

Tschan, Martin ; Robinson, Brett ; Schulin, Rainer

In: Environmental Geochemistry and Health, 2008, vol. 30, no. 2, p. 187-191

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    Titre
    • Antimony uptake by Zea mays (L.) and Helianthus annuus (L.) from nutrient solution
    Auteur
    • Tschan, Martin. Institute of Terrestrial Ecosystems, Soil Protection, Swiss Federal Institute of Technology, Universitaetstrasse 16, 8092, Zurich, Switzerland
    • Robinson, Brett. Institute of Terrestrial Ecosystems, Soil Protection, Swiss Federal Institute of Technology, Universitaetstrasse 16, 8092, Zurich, Switzerland
    • Schulin, Rainer. Institute of Terrestrial Ecosystems, Soil Protection, Swiss Federal Institute of Technology, Universitaetstrasse 16, 8092, Zurich, Switzerland
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • Environmental Geochemistry and Health, 2008, vol. 30, no. 2, p. 187-191. Springer Netherlands
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:317910
    Summary
    We investigated the extent of Sb uptake by maize (Zea mays) and sunflower (Helianthus annuus) from nutrient solutions containing concentrations from 3 to 24mg/L of potassium antimonate, with the aim of determining the potential of Sb to enter the food chain. The maximum shoot Sb concentrations in Z.mays and H.annuus were 41mg/kg and 77mg/kg dry weight, respectively. There was no significant difference in Sb uptake between species. The average bioaccumulation coefficients (the plant/solution concentration quotients) were 1.02 and 1.93 for Z.mays and H.annuus, respectively. Phosphate addition did not affect plant growth or Sb uptake. Antimony uptake by both Z.mays and H.annuus is unlikely to pose a health risk to animals and humans