Data/hora: 07/06/2024 16:22:15

Biblioteca(s): | Embrapa Pecuária Sudeste.
Data corrente: | 03/12/2020
Data da última atualização: | 03/12/2020
Autoria: | MARCANO DE HIGUERA, J.; SILVA, A. B. S. da; OLIVEIRA, A. F. de; NOGUEIRA, A. R. de A.
Afiliação: | Julymar Marcano de Higuera, UFSCAR; Ana Beatriz Santos da Silva, UFSCAR; Aline Fernandes de Oliveira, UFSCAR; ANA RITA DE ARAUJO NOGUEIRA, CPPSE.
Título: | Multi-elemental determination in meat samples using multi-isotope calibration strategy by ICP-MS.
Ano de publicação: | 2020
Fonte/Imprenta: | Food Chemistry, v. 303, 125395, jan. 2020.
DOI: | https://doi.org/10.1016/j.foodchem.2019.125395
Idioma: | Inglês
Conteúdo: | The multi-isotope calibration (MICal) is a fast and accurate calibration strategy for multi-elemental determination that uses only two solutions, (1) 50% (v v?1) sample plus 50% (v v?1) analytical blank solution, and (2) 50% (v v?1) sample plus 50% (v v?1) standard solution (containing the analytes). The calibration curves were built as a function of the intensity signals of solution 1 (y-axis) versus solution 2 (x-axis), employing the various isotopes of each monitored mass/charge. The concentration of the analytes was calculated from the slope and the concentrations of the standards added to solution 2. The validation of the method was evaluated using standard reference materials of bovine liver and bovine muscle. The recoveries varied from 87 to 113% for MICal, which were similar to the conventional standard additions calibration procedure (83 to 120%).
Palavras-Chave: | Calibration strategy; ICP MS; Matrix effect; Multi elemental analysis; Multi isotope strategy.
Thesaurus Nal: | Beef.
Categoria do assunto: | W Química e Física
Registro original: | Embrapa Pecuária Sudeste (CPPSE)
Exemplares: | CPPSE - (25184-1) - UPC - AP - DD - PROCI-2020.00097 - MAR - 2020.00148 - DIS