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Validación dun método analítico para a determinación de triazinas en troita de acuicultura

Validación de un método analítico para la determinación de triazinas en trucha de acuicultura
Authors: Castro Bustelo, Verónica;

Validación dun método analítico para a determinación de triazinas en troita de acuicultura

Abstract

[Resumen] En este trabajo, se validó un método de dispersión de la matriz en fase sólida (MSPD) para la extracción de nueve triazinas en muestras de trucha. En las condiciones optimizadas, 0.2 g de muestra se dispersaron sobre 2 g de C18 y se transfirieron a un cartucho con ENVI-Carb-II/SAX/PSA (500/500/500 mg). La muestra dispersada se lavó con 10 mL de n-hexano y los analitos se eluyeron con 20 mL de acetato de etilo y 5 ml de acetonitrilo. El extracto se concentró hasta sequedad, se redisolvió en 1 mL de metanol y se inyectó en HPLC-DAD. El método proporcionó una buena exactitud y precisión, cumpliendo así con los requisitos estipulados en la legislación de la Unión Europea.

[Resumo] Neste traballo, validouse un método baseado na dispersión da matriz en fase sólida (MSPD) para a extracción de nove triazinas en mostras de troita. Nas condicións optimizadas, 0.2 g de mostra dispersáronse sobre 2 g de C18 e transferíronse a un cartucho con ENVI-Carb-II/SAX/PSA (500/500/500 mg). A mostra dispersada lavouse con 10 mL de n-hexano e os analitos eluíronse con 20 mL de acetato de etilo e 5 mL de acetonitrilo. O extracto concentrouse ata sequedade, redisolveuse en 1 mL de metanol e inxectouse en HPLC-DAD. O método proporcionou unha boa exactidude e precisión, cumprindo así cos requisitos estipulados na lexislación da Unión Europea.

[Abstract] In this project, Matrix Solid Phase Dispersion (MSPD) has been validated for extraction of nine triazine in trout samples. Under optimised conditions, 0.2 g sample were dispersed using 2 g of C18, and transferred to a cartridge containing ENVI-Carb-II/SAX/PSA (500/500/500 mg). The dispersed sample was washed with 10 mL of n-hexane and analytes were eluted with 20 mL ethyl acetate and 5 mL acetonitrile. The extract was concentrated to dryness, re-constituted with 1 mL methanol and injected into the HPLC-DAD system. The method provided satisfactory accuracy and precision, meeting the requirements stipulated by European Union legislation.

Traballo fin de grao (UDC.CIE). Química. Curso 2014/2015

Country
Spain
Related Organizations
Keywords

Herbicidas, Acuicultura, Trucha, Troita, Triazinas

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green