A biotic ligand model predicting acute copper toxicity for barley (Hordeum vulgare): influence of calcium, magnesium, sodium, potassium and pH.

@article{Wang2012ABL,
  title={A biotic ligand model predicting acute copper toxicity for barley (Hordeum vulgare): influence of calcium, magnesium, sodium, potassium and pH.},
  author={Xuedong Wang and Luo Hua and Yibing Ma},
  journal={Chemosphere},
  year={2012},
  volume={89 1},
  pages={89-95}
}
The effects of selected cations and pH on the acute toxicity of copper (Cu) to barley root elongation were investigated to develop an appropriate biotic ligand model (BLM). The results showed that increasing activities of Mg(2+) and Ca(2+), but not Na(+) and K(+), linearly increased the EC50 (as Cu(2+) activity). Unchanged EC50 at solution pH less than 6.5 and sharply decreased EC50 with increasing of solution pH when greater than 6.5 can be explained by toxicity of the CuHCO(3)(+), CuCO(3)(aq… CONTINUE READING
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