arsenate


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arsenate

[′ärs·ən‚āt]
(inorganic chemistry)
AsO43-A negative ion derived from orthoarsenic acid, H3 AsO4·½H2O.
A salt or ester of arsenic acid.
References in periodicals archive ?
The bacterial isolates can be exploited for bioremediation of arsenic containing wastes, since they seem to have the potential to reduce the arsenate into arsenite form.
The rare hydrated copper and magnesium arsenate arhbarite was described from Aghbar by Schmetzer et al.
The amount of Zn(II) or arsenate adsorbed was calculated from the difference between the total amount added and the amount remaining in solution.
The monthly print newsletter, also priced at $700/year, will cover the lawsuits being filed concerning arsenic and chromated copper arsenate (CCA), which can be found in soil, groundwater or allegedly leaching from pressure-treated wood or as pesticide residue.
In early December 2002, a plaintiff's coalition sued the Environmental Protection Agency (EPA) in federal court to stop the use of three highly toxic wood preservatives--chromated copper arsenate (CCA), pentachlorophenol (penta) and creosote--to treat lumber, utility poles and railroad ties against damage caused by insects and fungi.
The suit alleged chromated copper arsenate, pentachlorophenol, and creosote--all known carcinogenic agents--have hurt utility workers exposed to treated poles, children playing near treated structures, and the environment.
The monthly publication will cover the "myriad issues" associated with arsenic in ground water, pressure--treated wood and pesticides, and chromated copper arsenate (CCA) treated wood.
Plants actively take up arsenate, mistaking it for phosphate and transfer it to their leaves.
Some of the wood they had been using for the project had been treated with chromated copper arsenate to prevent decay and repel termites.
To check that the assay measured PMM activity and not phosphoglucomutase (PGM), we tested the effect of arsenate (5 mmol/L) added to the assay mixture on PBMC extracts from the control groups.
When it's used appropriately (not for cutting boards, countertops or food containers), lumber treated with chromated copper arsenate (CCA) is not considered a health hazard by the Environmental Protection Agency.
Probably the most widely reported such change concerns chromated copper arsenate (CCA), the leading specialty biocide used in wood preservation.