Desenvolvimento e validação do método QuEChERS na determinação de resíduos de medicamentos veterinários em leite e carne de búfalo Development and validation of the QuEChERS method for the determination of veterinary drug residues in buffalo milk and meat

Autor: Silvia H. G. Brondi, Gilberto B. de Souza, Ana R. A. Nogueira, Laís A. de Camargo, Rafaela F. Majaron
Jazyk: English<br />Spanish; Castilian<br />Portuguese
Rok vydání: 2013
Předmět:
Zdroj: Química Nova, Vol 36, Iss 1, Pp 153-158 (2013)
Druh dokumentu: article
ISSN: 0100-4042
1678-7064
Popis: Analytical methods were developed and validated to determine residues of veterinary drugs in buffalo milk and meat, using the QuEChERS method and gas chromatography-mass spectrometry. Both milk and meat, at 2 g of sample, 4 mL of acetonitrile, 0.8 g of MgSO4 and 0.2 g of NaCl, were used in the liquid-liquid partition, whereas 50 mg of C18, 50 mg of PSA and 150 mg of MgSO4 were employed in the dispersive solid-phase extraction (d-SPE). The methods showed sensitivity, precision and accuracy. The quantitation limits were in agreement with the maximum residue limit established by the Codex Alimentarius, FAO and WHO.
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