{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T13:22:46Z","timestamp":1773753766034,"version":"3.50.1"},"reference-count":49,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,1,18]],"date-time":"2013-01-18T00:00:00Z","timestamp":1358467200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Electrophoresis"],"published-print":{"date-parts":[[2013,2]]},"abstract":"<jats:p>For the first time, the high\u2010density solvent\u2010based solvent de\u2010emulsification dispersive liquid\u2013liquid microextraction (<jats:styled-content style=\"fixed-case\">HSD<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">DLLME<\/jats:styled-content>) was developed for the fast, simple, and efficient determination of chlorophenols in water samples followed by field\u2010enhanced sample injection with reverse migrating micelles in <jats:styled-content style=\"fixed-case\">CE<\/jats:styled-content>. The extraction of chlorophenols in the aqueous sample solution was performed in the presence of extraction solvent (chloroform) and dispersive solvent (acetone). A de\u2010emulsification solvent (<jats:styled-content style=\"fixed-case\">ACN<\/jats:styled-content>) was then injected into the aqueous solution to break up the emulsion, the obtained emulsion cleared into two phases quickly. The lower layer (chloroform) was collected and analyzed by field\u2010enhanced sample injection with reverse migrating micelles in <jats:styled-content style=\"fixed-case\">CE<\/jats:styled-content>. Several important parameters influencing the extraction efficiency of <jats:styled-content style=\"fixed-case\">HSD<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">DLLME<\/jats:styled-content> such as the type and volume of extraction solvent, disperser solvent and de\u2010emulsification solvent, sample pH, extraction time as well as salting\u2010out effects were optimized. Under the optimized conditions, the proposed method provided a good linearity in the range of 0.02\u20134 \u03bcg\/mL, low <jats:styled-content style=\"fixed-case\">LOD<\/jats:styled-content>s (4 ng\/mL), and good repeatability of the extractions (<jats:styled-content style=\"fixed-case\">RSD<\/jats:styled-content>s below 9.3%, <jats:italic>n<\/jats:italic> = 5). And enrichment factors for three phenols were 684, 797, and 233, respectively. This method was then utilized to analyze two real environmental samples from wastewater and tap water and obtained satisfactory results. The obtained results indicated that the developed method is an excellent alternative for the routine analysis in the environmental field.<\/jats:p>","DOI":"10.1002\/elps.201200355","type":"journal-article","created":{"date-parts":[[2012,11,22]],"date-time":"2012-11-22T05:06:33Z","timestamp":1353560793000},"page":"345-352","source":"Crossref","is-referenced-by-count":28,"title":["High\u2010density extraction solvent\u2010based solvent de\u2010emulsification dispersive liquid\u2013liquid microextraction combined with <scp>MEKC<\/scp> for detection of chlorophenols in water samples"],"prefix":"10.1002","volume":"34","author":[{"given":"Ting\u2010Ting","family":"Liang","sequence":"first","affiliation":[{"name":"School of Medicine and Pharmacy Ocean University of China  Qingdao P. R. China"},{"name":"Key Laboratory of Marine Drugs Ministry of Education of China  Qingdao P. R. 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