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http://hdl.handle.net/1843/46539| Type: | Artigo de Periódico |
| Title: | GC-MS/MS versus LC-MS/MS for unambiguous identification of α and β-trenbolone in bovine urine |
| Authors: | Amanda Lemes Silveira Adriana Ferreira Faria |
| Abstract: | This work involves the optimization of LC-MS/MS and GC-MS/MS methods for determination of α and β-trenbolone in bovine urine. The parameters recovery, repeatability and intermediate precision in both methods met the acceptance criteria of the Codex Alimentarius: recovery between 83.5-114% and repeatability and intermediate precision with RSD between 5.1-14.5% and 9.8-25.5% respectively, for concentrations higher than 1 μg kg−1. These methods were applied to the analyses of 5 real samples suspected of contamination. The analyses showed that derivatization with MSTFA/I2 followed by pure MSTFA, was an important tool to prevent false positive results. The use of microwave assisted derivatization reduced significantly the analysis time by GC-MS/MS. |
| Subject: | Urina Análise Cromatografia de gás Espectrometria de massa Cromatografia líquida Bovino Saúde |
| language: | eng |
| metadata.dc.publisher.country: | Brasil |
| Publisher: | Universidade Federal de Minas Gerais |
| Publisher Initials: | UFMG |
| metadata.dc.publisher.department: | ICX - DEPARTAMENTO DE QUÍMICA |
| Rights: | Acesso Restrito |
| metadata.dc.identifier.doi: | http://dx.doi.org/10.5935/sc.2019.013 |
| URI: | http://hdl.handle.net/1843/46539 |
| Issue Date: | 2019 |
| metadata.dc.url.externa: | https://iicweb.org/scientiachromatographica/v11n4doi10-5935-sc-2019-013en/ |
| metadata.dc.relation.ispartof: | Scientia Chromatographica |
| Appears in Collections: | Artigo de Periódico |
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