Journal
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
Volume 30, Issue 2, Pages 187-191Publisher
SPRINGER
DOI: 10.1007/s10653-008-9142-4
Keywords
antimony; crop plants; food chain; HG-AFS; plant uptake; phosphorous
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We investigated the extent of Sb uptake by maize (Zea mays) and sunflower (Helianthus annuus) from nutrient solutions containing concentrations from 3 to 24 mg/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 41 mg/kg and 77 mg/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.
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