期刊
ENVIRONMENTAL POLLUTION
卷 213, 期 -, 页码 395-402出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2016.02.036
关键词
Occurrence; Illict drugs; Methamphetamine; Ketamine; Surface water; China
资金
- National Science Foundation of China [41371442, 41401566]
Illicit drugs have been recognized as a group of emerging contaminants. In this work, occurrence of common illicit drugs and their metabolites in Chinese surface waters was examined by collecting samples from 49 lakes and 4 major rivers across the country. Among the drugs examined, methamphetamine and ketamine were detected with highest frequencies and concentration levels, consistent with the fact that these are primary drugs of abuse in China. Detection frequencies and concentrations of other drugs were much lower than in European lakes and rivers reported in the literature. In most Chinese surface waters methamphetamine and ketamine were detected at concentrations of several ng L-1 or less, but in some southern lakes and rivers, these two drugs were detected at much higher concentrations (up to several tens ng L-1). Greater occurrence of methamphetamine and ketamine in southern surface waters was attributed to greater abuse and more clandestine production of the two drugs in southern China. (C) 2016 Elsevier Ltd. All rights reserved.
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