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Development and application of a biotic ligand model for predicting the chronic toxicity of dissolved and precipitated aluminum to aquatic organisms
Environmental toxicology and chemistry, 2018-01, Vol.37 (1), p.70-79
Santore, Robert C.
Ryan, Adam C.
Kroglund, Frode
Rodriguez, Patricio H.
Stubblefield, William A.
Cardwell, Allison S.
Adams, William J.
Nordheim, Eirik
2018
Details
Autor(en) / Beteiligte
Santore, Robert C.
Ryan, Adam C.
Kroglund, Frode
Rodriguez, Patricio H.
Stubblefield, William A.
Cardwell, Allison S.
Adams, William J.
Nordheim, Eirik
Titel
Development and application of a biotic ligand model for predicting the chronic toxicity of dissolved and precipitated aluminum to aquatic organisms
Ist Teil von
Environmental toxicology and chemistry, 2018-01, Vol.37 (1), p.70-79
Ort / Verlag
United States: Blackwell Publishing Ltd
Erscheinungsjahr
2018
Link zum Volltext
Quelle
Wiley Online Library
Beschreibungen/Notizen
Aluminum (Al) toxicity to aquatic organisms is strongly affected by water chemistry. Toxicity‐modifying factors such as pH, dissolved organic carbon (DOC), hardness, and temperature have a large impact on the bioavailability and toxicity of Al to aquatic organisms. The importance of water chemistry on the bioavailability and toxicity of Al suggests that interactions between Al and chemical constituents in exposures to aquatic organisms can affect the form and reactivity of Al, thereby altering the extent to which it interacts with biological membranes. These types of interactions have previously been observed in the toxicity data for other metals, which have been well described by the biotic ligand model (BLM) framework. In BLM applications to other metals (including cadmium, cobalt, copper, lead, nickel, silver, and zinc), these interactions have focused on dissolved metal. A review of Al toxicity data shows that concentrations of Al that cause toxicity are frequently in excess of solubility limitations. Aluminum solubility is strongly pH dependent, with a solubility minimum near pH 6 and increasing at both lower and higher pH values. For the Al BLM, the mechanistic framework has been extended to consider toxicity resulting from a combination of dissolved and precipitated Al to recognize the solubility limitation. The resulting model can effectively predict toxicity to fish, invertebrates, and algae over a wide range of conditions. Environ Toxicol Chem 2018;37:70–79. © 2017 SETAC
Sprache
Englisch
Identifikatoren
ISSN: 0730-7268
eISSN: 1552-8618
DOI: 10.1002/etc.4020
Titel-ID: cdi_proquest_journals_1981060956
Format
–
Schlagworte
Algae
,
Aluminum
,
Aquatic organisms
,
Bioavailability
,
Biological membranes
,
Biotic ligand model
,
Cadmium
,
Chronic toxicity
,
Cobalt
,
Data processing
,
Dissolved organic carbon
,
Fish
,
Heavy metals
,
Hydrogen ions
,
Invertebrates
,
Lead
,
Ligands
,
Mathematical models
,
Membranes
,
Metals
,
Nickel
,
Organisms
,
pH effects
,
Silver
,
Solubility
,
Toxicity
,
Water chemistry
,
Water hardness
,
Water pollution effects
,
Water quality criteria
,
Zinc
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