Analytical tools for monitoring arsenic in the environment

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Journal titleThe Open Analytical Chemistry Journal
Pages714; # of pages: 8
Subjectenv; incomplet; arsenic; As; aquatic systems; monitoring of arsenic-containing sites; review of technologies for the measurement and monitoring of arsenic in the environment; electrochemical methods for arsenic detection
AbstractInorganic arsenic possesses the highest toxicity threat amongst all its forms found in natural groundwater and its mobility in aquatic systems and in the soil is of great environmental concern. Besides their toxicity to humans, arsenate and arsenite are highly toxic to plants. Arsenic can only be transformed into a less-toxic material and becomes a perma- nent part of the environment. Thus, there is a continuing need for its monitoring at arsenic-containing sites where it occurs naturally at elevated levels. This report reviews technologies with the potential to measure and monitor arsenic in the en- vironment. However, we focus on the modern electrochemical methods of arsenic detection in drinking water. The pros and cons of such techniques are discussed with respect to their sensitivity, ability to detect the chemical states of arsenic, reliability, potential interferences, and ease of operation. In particular, emphasis has been devoted to more recent topics including modern stripping voltammetry, electrode modification, nanomaterials, and biosensors. The necessity for field instrumentation, detection and monitoring has also been addressed.
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AffiliationNational Research Council Canada; NRC Biotechnology Research Institute
Peer reviewedNo
NRC number49088
NPARC number3538811
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Record identifier72185823-cb32-477c-92d3-cfc8aa050821
Record created2009-03-01
Record modified2016-05-09
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