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The major parameters such as extraction solvent, dispersive solvent, solution pH, and extraction time were systematically optimized. The optimum extraction conditions were found to be: 15 \u03bcL mixture of 2:1 v\/v carbon tetrachloride and chlorobenzene as the extraction solvent, 0.75 mL <jats:styled-content style=\"fixed-case\">ACN<\/jats:styled-content> as the dispersive solvent, solution pH of 8, and extraction time of 2 min. For the major pollutants listed in the <jats:styled-content style=\"fixed-case\">U<\/jats:styled-content>nited <jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>tates <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>nvironmental <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>rotection <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>gency 8270, the linear ranges were 0.1 to 100 mg\/L, the enrichment factors ranged from 452 to 685, and the relative recoveries ranged from 67.5 to 103.5% with <jats:styled-content style=\"fixed-case\">RSD<\/jats:styled-content>s of 4.0\u20139.1% (<jats:italic>n<\/jats:italic> = 5) at the concentrations of 10 mg\/L under the optimum extraction conditions. For the 15 polycyclic aromatic hydrocarbons, the linear ranges were 0.1 to 100 \u03bcg\/L, the enrichment factors ranged from 645 to 723, and the relative recoveries ranged from 94.5 to 107.6% with <jats:styled-content style=\"fixed-case\">RSD<\/jats:styled-content>s of 4.6\u20139.0% (<jats:italic>n<\/jats:italic> = 5) at the concentrations of 10 \u03bcg\/L. The usefulness of the developed method was demonstrated by applying it in the analysis of real\u2010world coking wastewater samples.<\/jats:p>","DOI":"10.1002\/jssc.201201151","type":"journal-article","created":{"date-parts":[[2013,3,4]],"date-time":"2013-03-04T19:13:09Z","timestamp":1362424389000},"page":"1644-1651","source":"Crossref","is-referenced-by-count":22,"title":["Determination of organic pollutants in coking wastewater by dispersive liquid\u2013liquid microextraction\/<scp>GC<\/scp>\/<scp>MS<\/scp>"],"prefix":"10.1002","volume":"36","author":[{"given":"Guoxin","family":"Song","sequence":"first","affiliation":[{"name":"Department of Environmental Science and Engineering Fudan University  Shanghai P. R. China"},{"name":"Center for Analysis &amp; Measurement Fudan University  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chunyan","family":"Zhu","sequence":"additional","affiliation":[{"name":"Shanghai Baosteel Chemical Co. 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