{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T09:46:13Z","timestamp":1762249573307,"version":"3.41.0"},"reference-count":38,"publisher":"Canadian Science Publishing","issue":"10","license":[{"start":{"date-parts":[[2016,10,1]],"date-time":"2016-10-01T00:00:00Z","timestamp":1475280000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":["cdnsciencepub.com"],"crossmark-restriction":false},"short-container-title":["Can. J. Chem."],"published-print":{"date-parts":[[2016,10]]},"abstract":"<jats:p> A new methodology for determination of sulfonamides (sulfaquinoxaline, sulfathiazole, and sulfadimethoxine) in water samples was developed by coupling an automated multi-pumping flow system (MPFS) with a liquid waveguide capillary cell (LWCC; pathlength, 100 cm) and a spectrophotometric detector. The method is based on the reaction between sulfonamides and p-dimethylaminocinnamaldehyde (p-DAC) in the presence of sodium dodecylsulfate (SDS) in dilute acid medium (hydrochloric acid), with measurement of the reaction products at 565 nm. Experimental design methodology was used to optimize the analytical conditions. The linear range obtained was 10.0\u2013130.0 \u03bcg\/L, and detection and quantification limits were 3.1 and 10.1 \u03bcg\/L, respectively. The method was successfully applied to the analysis of sulfonamides in water samples. By coupling the MPFS with the LWCC, the sensitivity was enhanced, reagent consumption was low, and waste generation was minimized. The results obtained with the MPFS method were confirmed by LC\u2013MS. <\/jats:p>","DOI":"10.1139\/cjc-2016-0092","type":"journal-article","created":{"date-parts":[[2016,8,5]],"date-time":"2016-08-05T21:39:46Z","timestamp":1470433186000},"page":"812-817","update-policy":"https:\/\/doi.org\/10.1139\/csp-crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["An eco-friendly method for analysis of sulfonamides in water samples using a multi-pumping system"],"prefix":"10.1139","volume":"94","author":[{"given":"Tiago Augusto","family":"Catelani","sequence":"first","affiliation":[{"name":"Instituto de Qu\u00edmica, Universidade Estadual Paulista \u201cJulio de Mesquita Filho\u201d, UNESP, R. Prof. Francisco Degni 55, P.O. Box 355, 14800-900, Araraquara, SP, Brazil."}]},{"given":"Karine","family":"Castoldi","sequence":"additional","affiliation":[{"name":"Instituto de Qu\u00edmica, Universidade Estadual Paulista \u201cJulio de Mesquita Filho\u201d, UNESP, R. Prof. Francisco Degni 55, P.O. Box 355, 14800-900, Araraquara, SP, Brazil."}]},{"given":"Ildik\u00f3 Varg\u00e1n\u00e9","family":"T\u00f3th","sequence":"additional","affiliation":[{"name":"REQUIMTE, Laborat\u00f3rio de Qu\u00edmica Aplicada, Departamento de Qu\u00edmica, Faculdade de Farm\u00e1cia, Universidade do Porto, Rua Jorge Viterbo Ferreira 228, Porto 4050-313, Portugal."}]},{"given":"Jo\u00e3o Lu\u00eds Machado","family":"Santos","sequence":"additional","affiliation":[{"name":"REQUIMTE, Laborat\u00f3rio de Qu\u00edmica Aplicada, Departamento de Qu\u00edmica, Faculdade de Farm\u00e1cia, Universidade do Porto, Rua Jorge Viterbo Ferreira 228, Porto 4050-313, Portugal."}]},{"given":"Jos\u00e9 Lu\u00eds Fontes","family":"da Costa Lima","sequence":"additional","affiliation":[{"name":"REQUIMTE, Laborat\u00f3rio de Qu\u00edmica Aplicada, Departamento de Qu\u00edmica, Faculdade de Farm\u00e1cia, Universidade do Porto, Rua Jorge Viterbo Ferreira 228, Porto 4050-313, Portugal."}]},{"given":"Leonardo","family":"Pezza","sequence":"additional","affiliation":[{"name":"Instituto de Qu\u00edmica, Universidade Estadual Paulista \u201cJulio de Mesquita Filho\u201d, UNESP, R. 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