DETERMINAÇÃO RÁPIDA E SIMULTÂNEA DE SULFAMETOXAZOL E TRIMETOPRIMA UTILIZANDO ANÁLISE POR INJEÇÃO EM BATELADA COM DETECÇÃO AMPEROMÉTRICA E ELETRODO DE DIAMANTE DOPADO COM BORO
| Autor: | Polyana Fernandes Pereira, Weberson Pereira da Silva, Rodrigo Alejandro Abarza Muñoz, Eduardo Mathias Richter |
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| Jazyk: | English<br />Spanish; Castilian<br />Portuguese |
| Rok vydání: | 2015 |
| Předmět: | |
| Zdroj: | Química Nova, Vol 38, Iss 5, Pp 663-668 (2015) |
| Druh dokumentu: | article |
| ISSN: | 1678-7064 0100-4042 |
| DOI: | 10.5935/0100-4042.20150059 |
| Popis: | A fast, simple procedure for simultaneous determination of sulfamethoxazole (SMX) and trimethoprim (TMP) was performed using batch injection analysis with multiple pulse amperometric detection (BIA-MPA). The sample aliquot (150 µL) was directly injected onto the boron-doped diamond (BDD) electrode (wall-jet configuration) immersed in a BIA system. The analytical characteristics of the proposed method include high analytical frequency (up to 75 injections per hour), good stability (RSD < 2.9%; n = 10), low detection limits (0.227 and 0.173 mg L-1 for SMX and TMP, respectively) and minimal waste generation. The proposed method yielded similar results to those obtained by liquid chromatography at a 95% confidence level. |
| Databáze: | Directory of Open Access Journals |
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