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Perchlorate in Tap Water, Groundwater, Surface Waters, and Bottled Water From China and its Association with Other Inorganic Anions and with Disinfection Byproducts

Perchlorate in Tap Water, Groundwater, Surface Waters, and Bottled Water From China and its... Perchlorate is a potent thyroid hormone–disrupting compound. Drinking water is one of the major sources of human exposure to perchlorate. Little is known about the occurrence of perchlorate in waters from China. In this study, water samples (n = 300) collected from 15 locations in 13 provinces and municipalities were analyzed for the presence of perchlorate. In addition, other inorganic anions that commonly occur in water—iodide, bromide, and nitrate—and the disinfection byproducts, bromate, chlorate, and chlorite were determined by high-performance liquid chromatography interfaced with tandem mass spectrometry. Perchlorate was detected in 86% of the samples analyzed, at concentrations ranging from <0.02 to 54.4 μg l−1 (mean ± SD 2.20 ± 6.39 μg l−1; median 0.62 μg l−1). Mean concentrations of perchlorate in tap water, groundwater, surface waters, and bottled water were 2.46, 3.04, 2.82, and 0.22 μg l−1, respectively. Significant positive correlations were found between the concentrations of perchlorate and nitrate, perchlorate and chlorate, bromide and iodide, and nitrate and iodide. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Environmental Contamination and Toxicology Springer Journals

Perchlorate in Tap Water, Groundwater, Surface Waters, and Bottled Water From China and its Association with Other Inorganic Anions and with Disinfection Byproducts

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References (21)

Publisher
Springer Journals
Copyright
Copyright © 2010 by Springer Science+Business Media, LLC
Subject
Environment; Environmental Monitoring/Analysis; Soil Science & Conservation ; Environmental Chemistry; Environmental Health; Pollution, general; Ecotoxicology
ISSN
0090-4341
eISSN
1432-0703
DOI
10.1007/s00244-010-9485-6
pmid
20162260
Publisher site
See Article on Publisher Site

Abstract

Perchlorate is a potent thyroid hormone–disrupting compound. Drinking water is one of the major sources of human exposure to perchlorate. Little is known about the occurrence of perchlorate in waters from China. In this study, water samples (n = 300) collected from 15 locations in 13 provinces and municipalities were analyzed for the presence of perchlorate. In addition, other inorganic anions that commonly occur in water—iodide, bromide, and nitrate—and the disinfection byproducts, bromate, chlorate, and chlorite were determined by high-performance liquid chromatography interfaced with tandem mass spectrometry. Perchlorate was detected in 86% of the samples analyzed, at concentrations ranging from <0.02 to 54.4 μg l−1 (mean ± SD 2.20 ± 6.39 μg l−1; median 0.62 μg l−1). Mean concentrations of perchlorate in tap water, groundwater, surface waters, and bottled water were 2.46, 3.04, 2.82, and 0.22 μg l−1, respectively. Significant positive correlations were found between the concentrations of perchlorate and nitrate, perchlorate and chlorate, bromide and iodide, and nitrate and iodide.

Journal

Archives of Environmental Contamination and Toxicology – Springer Journals

Published: Feb 17, 2010

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