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In this work, we propose a unique analytical method for determination of these active ingredients in pharmaceutical samples. The method is based on capillary electrophoresis with capacitively coupled contactless conductivity detection. The separation was achieved on a fused silica capillary (50\u00a0cm total length, 40\u00a0cm effective length, and 50\u00a0\u03bcm id) using an optimized background electrolyte composed of 20\u00a0mmol\/L \u03b2\u2010alanine\/4\u00a0mmol\/L sodium chloride\/4\u00a0\u03bcmol\/L sodium hydroxide (pH 9.6). Each sample can be analyzed in a single run (\u22642\u00a0min) and the limits of detection were 2.5, 0.62, 0.63, 2.5, 15, and 1.6\u00a0\u03bcmol\/L for scopolamine, tramadol, orphenadrine, promethazine, codeine, and paracetamol, respectively. Recovery values for spiked samples were between 94 and 104%.<\/jats:p>","DOI":"10.1002\/jssc.201601275","type":"journal-article","created":{"date-parts":[[2017,2,20]],"date-time":"2017-02-20T00:22:41Z","timestamp":1487550161000},"page":"1815-1823","source":"Crossref","is-referenced-by-count":55,"title":["Fast determination of codeine, orphenadrine, promethazine, scopolamine, tramadol, and paracetamol in pharmaceutical formulations by capillary electrophoresis"],"prefix":"10.1002","volume":"40","author":[{"given":"Rafael R.","family":"Cunha","sequence":"first","affiliation":[{"name":"Instituto de Qu\u00edmica Universidade Federal de Uberl\u00e2ndia  Uberl\u00e2ndia MG Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle M. A. 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