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Contaminantes emergentes en el Parque Natural de L'Albufera

Authors: Allgaier Díaz, Diego Walter;

Contaminantes emergentes en el Parque Natural de L'Albufera

Abstract

Los contaminantes emergentes son compuestos que se encuentran a niveles de trazas en el medio ambiente, y cuya presencia no es necesariamente nueva, pero sí la preocupación por sus posibles efectos nocivos. El objetivo de este estudio ha sido realizar un screening de 19 contaminantes emergentes de carácter ácido en el Parque Natural de L'Albufera. La técnica utilizada para determinar esos analitos está basada principalmente en la extracción en fase sólida (SPE) donde los analitos son absorbidos en el soporte sólido y luego eluidos con metanol. Se utilizó la cromatografía líquida de ultra alta resolución acoplada a un espectrómetro de masas con un sistema híbrido de triple cuadrupolo (UHPLC-QqQ-MS/MS) en muestras de suelo, sedimentos y agua en zonas cercanas a La Albufera de Valencia y dentro de la misma. Entre los resultados obtenidos destaca que, en las muestras de suelo el contaminante con mayor concentración (µg/kg) es el Ácido Acetil Salicílico con una media de 95,44 µg/kg, por otro lado, en las muestras de agua es el Tiamfenicol con 1855,85 µg/L. Para las muestras de sedimentos se utilizaron dos cartuchos diferentes, uno con fase polimérica más SDS y otro con fase catiónica, obteniendo que los contaminantes con mayor concentración son Ibuprofeno con 29,81 µg/kg con fase polimérica más SDS y Ácido Acetil Salicílico con 22,76 µg/kg con fase catiónica. Para estas muestras de sedimentos también se calculó el RSD, obteniendo resultados menores a 20 en la mayoría de los compuestos a excepción de Bisfenol A (27,04), Ibuprofeno (40,68), Tiamfenicol (61,71) y Triclocarban (25,47).

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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!
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