{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T09:11:26Z","timestamp":1778490686925,"version":"3.51.4"},"reference-count":33,"publisher":"Walter de Gruyter GmbH","issue":"3","license":[{"start":{"date-parts":[[2018,7,4]],"date-time":"2018-07-04T00:00:00Z","timestamp":1530662400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/3.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    A novel micro-extraction technique for a rapid and sensitive analysis of diclofenac (DCF) in water samples has been developed. DCF was derivatized and extracted simultaneously using vortex-assisted liquid-liquid micro-extraction (VALLME) prior to gas chromatography with mass spectrometry detection. The effects of extraction solvent volume, extraction and derivatization time and ionic strength of the sample were studied using 2\n                    <jats:sup>3<\/jats:sup>\n                    factorial experimental design. The optimum extraction conditions were as follows: 200 \u03bcL of chloroform, 25 \u03bcL of\n                    <jats:italic>N<\/jats:italic>\n                    -methyl-\n                    <jats:italic>N<\/jats:italic>\n                    -trimethylsilyl-trifluoroacetamide (MSTFA) derivatization reagent, vortex extraction and derivatization time 5 min at 3000 rpm. The extraction recovery for different fortification levels was 98 %. Also, the proposed micro-extraction method exhibited results comparable with the solid phase extraction of real water samples. The proposed one-step VALLME and derivatization method is simpler and faster than the conventional extraction and derivatization methods used for the determination of DCF in real water samples.\n                  <\/jats:p>","DOI":"10.2478\/acph-2018-0024","type":"journal-article","created":{"date-parts":[[2018,7,7]],"date-time":"2018-07-07T02:20:26Z","timestamp":1530930026000},"page":"313-324","source":"Crossref","is-referenced-by-count":11,"title":["Analysis of diclofenac in water samples using\n                    <i>in situ<\/i>\n                    derivatization-vortex-assisted liquid-liquid microextraction with gas chromatography-mass spectrometry"],"prefix":"10.2478","volume":"68","author":[{"given":"Senar","family":"Aydin","sequence":"first","affiliation":[{"name":"Necmettin Erbakan University , Environmental Engineering Department , Konya , Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mehmet Emin","family":"Aydin","sequence":"additional","affiliation":[{"name":"Necmettin Erbakan University , Environmental Engineering Department , Konya , Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fatma","family":"Beduk","sequence":"additional","affiliation":[{"name":"Necmettin Erbakan University , Environmental Engineering Department , Konya , Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arzu","family":"Tekinay","sequence":"additional","affiliation":[{"name":"Necmettin Erbakan University , Environmental Engineering Department , Konya , Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Havva","family":"Kilic","sequence":"additional","affiliation":[{"name":"Necmettin Erbakan University , Environmental Engineering Department , Konya , Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2018,7,4]]},"reference":[{"key":"2026051108211087187_j_acph-2018-0024_ref_001_w2aab2b8c18b1b7b1ab1ab1Aa","doi-asserted-by":"crossref","unstructured":"1. 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