NDLI: Perchlorate as an environmental contaminant

Content Provider	Springer Nature Link
Author	Urbansky, Edward Todd
Copyright Year	2002
Abstract	Perchlorate anion (ClO$_{4}$ $^{−}$) has been found in drinking water supplies throughout the southwestern United States. It is primarily associated with releases of ammonium perchlorate by defense contractors, military operations, and aerospace programs. Ammonium perchlorate is used as a solid oxidant in missile and rocket propulsion systems. Traces of perchlorate are found in Chile saltpeter, but the use of such fertilizer has not been associated with large scale contamination. Although it is a strong oxidant, perchlorate anion is very persistent in the environment due to the high activation energy associated with its reduction. At high enough concentrations, perchlorate can affect thyroid gland functions, where it is mistakenly taken up in place of iodide. A safe daily exposure has not yet been set, but is expected to be released in 2002. Perchlorate is measured in environmental samples primarily by ion chromatography. It can be removed by anion exchange or membrane filtration. It is destroyed by some biological and chemical processes. The environmental occurrence, toxicity, analytical chemistry, and remediative approaches are discussed.
Starting Page	187
Ending Page	192
Page Count	6
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	9
Issue Number	3
e-ISSN	16147499
Language	English
Publisher	Ecomed
Publisher Date	2002-01-01
Publisher Place	Landsberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Anion exchange bioremediation drinking water ion chromatography perchlorate potable water rocket propellant solid oxidant thyroid thyrotoxicity Environment Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Industrial Pollution Prevention
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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