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EC number: 231-717-9
CAS number: 7699-43-6
The available information on bioaccumulation of zirconium in the aquatic
and terrestrial foodchain was studied in algae and higher terrestrial
plants respectively, yielding the following conclusions:
- Although no data are available on other aquatic organisms besides
algae and cyanobacteria, it can be concluded that zirconium has no
potential to bioconcentrate/bioaccumulate in the aquatic foodchain. A
rapid uptake of zirconium from the medium was observed as well as a
rapid desorption. The BCF values obtained for cyanobacteria and
microalgae were very low, the highest value being 0.064 L/kg ww.
- Based on a study on the transfer of zirconium from soil to plants, it
could further be concluded that there is no potential for
bioaccumulation of zirconium in the terrestrial foodchain, as all BSAF
values were < 0.1, which is well below 1.
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