Arid
DOI10.1002/etc.2076
Stability of pharmaceuticals and other polar organic compounds stored on polar organic chemical integrative samplers and solid-phase extraction cartridges
Carlson, Jules C.1,2,3; Challis, Jonathan K.1,2; Hanson, Mark L.3; Wong, Charles S.1,2
通讯作者Wong, Charles S.
来源期刊ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
ISSN0730-7268
EISSN1552-8618
出版年2013
卷号32期号:2页码:337-344
英文摘要

The stability of 24 chemicals, including pharmaceuticals and personal care products, and some agrochemicals on extraction media was evaluated by preloading them onto Oasis hydrophilic lipophilic balanced solid-phase extraction (SPE) cartridges and polar organic chemical integrative samplers (POCIS) followed by storage at 20 degrees C over time. After 20 months, the average loss was 11% on POCIS, with only 2,4-dichlorophenoxyacetic acid, atrazine, chlorpyrifos, and gemfibrozil showing a statistically significant decline compared with initial concentrations. Losses on SPE cartridges were below 19%, with an average loss of 9%. In addition to laboratory spiked samples, multiple POCIS deployed in wastewater-impacted surface waters and SPE extracts of these waters were stored in their original coextracted matrix for nearly two years with minimal observed losses. Errors from typical sampling, handling, and concentration estimates from POCIS sampling rates were typically +/- 15 to 30% relative standard deviation, so observed storage losses are minimal for most POCIS applications. While losses during storage on SPE cartridges for 20 months were small but statistically significant for many compounds, addition of labeled internal standards prior to freezing should correct for such losses. Thus, storage of processed water samples for analysis of polar organic pollutants is viable for archival purposes or studies for which samples cannot be analyzed in the short term. Environ. Toxicol. Chem. 2013;32:337344. (C) 2012 SETAC


英文关键词Archival storage Polar organic chemical integrative sampler Solid-phase extraction cartridge Pharmaceuticals and personal care products Wastewater
类型Article
语种英语
国家Canada
收录类别SCI-E
WOS记录号WOS:000313867300014
WOS关键词ENDOCRINE DISRUPTING COMPOUNDS ; TANDEM MASS-SPECTROMETRY ; PERSONAL CARE PRODUCTS ; WATER TREATMENT-PLANT ; WASTE-WATER ; LIQUID-CHROMATOGRAPHY ; EMERGING CONTAMINANTS ; AQUATIC ENVIRONMENTS ; SURFACE-WATER ; GREAT-LAKES
WOS类目Environmental Sciences ; Toxicology
WOS研究方向Environmental Sciences & Ecology ; Toxicology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/177028
作者单位1.Univ Winnipeg, Dept Environm Studies & Sci, Richardson Coll Environm, Winnipeg, MB R3B 2E9, Canada;
2.Univ Winnipeg, Dept Chem, Richardson Coll Environm, Winnipeg, MB R3B 2E9, Canada;
3.Univ Manitoba, Dept Environm & Geog, Winnipeg, MB, Canada
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Carlson, Jules C.,Challis, Jonathan K.,Hanson, Mark L.,et al. Stability of pharmaceuticals and other polar organic compounds stored on polar organic chemical integrative samplers and solid-phase extraction cartridges[J],2013,32(2):337-344.
APA Carlson, Jules C.,Challis, Jonathan K.,Hanson, Mark L.,&Wong, Charles S..(2013).Stability of pharmaceuticals and other polar organic compounds stored on polar organic chemical integrative samplers and solid-phase extraction cartridges.ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY,32(2),337-344.
MLA Carlson, Jules C.,et al."Stability of pharmaceuticals and other polar organic compounds stored on polar organic chemical integrative samplers and solid-phase extraction cartridges".ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 32.2(2013):337-344.
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