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- W2783704099 abstract "La presencia de metales pesados en moluscos bivalvos implica un grave problema para la salud de los consumidores de este tipo de alimento. Por ello, el objetivo de la investigación fue determinar la presencia de metales pesados enAnadara tuberculosa, moluscode importancia comercial en Puerto Bolívar, Ecuador. El método utilizado para cuantificar la concentración de metales pesados fue la espectrofotometría de absorción atómica, se determinó la concentración de seis metales: Plomo (Pb), Arsénico (As), Mercurio (Hg), Cadmio (Cd), Cromo (Cr) y Cobalto (Co). Los valores promedios obtenidos, expresados en mg.kg-1 fueron: Pb (7,52 ± 0,46); As (1,55 ± 0,14); Hg (364,38 ± 91, 39); Cd (1,68 ± 0,28); Cr (3,89 ± 1,82) y Co (2,71 ± 0,34 en Anadara tuberculosa. Los resultados muestran que el Pb, As, Cd, y Hg superan los límites máximos permisibles, el Mercurio supera en más de 100 veces el valor límite. La talla más pequeña (3-4 cm) del molusco en estudio posee la capacidad de bioacumular mayor concentración de Pb, Cd y Cr.ABSTRACTThe presence of heavy metals in bivalve molluscs implies a serious problem for the consumers health of this type of food. Therefore, the objective of the present investigation was to determine the presence of heavy metals in Anadara tuberculosa, mollusc of commercial importance at Puerto Bolívar, Ecuador. Atomic absorption spectrophotometry was the method used to quantify the concentration of heavy metals. The concentration of six metals was determined: lead (Pb), arsenic (As), mercury (Hg), cadmium (Cd), chromium (Cr) and cobalt (Co). The average values obtained, expressed in mg.kg-1 were: Pb (7.52 ± 0.46); As (1.55 ± 0.14); Hg (364.38 ± 91.39); Cd (1.68 ± 0.28); Cr (3,89 ± 1,82) and Co (2,71 ± 0,34 in A. tuberculosa The results show that Pb, As, Cd, and Hg exceed the maximum permissible limits, mercury exceeds by more than 100 times the limit value. The smaller size (3-4 cm) studied mollusc, has the capacity to bioaccumulate higher concentration of Pb, Cd and Cr." @default.
- W2783704099 created "2018-01-26" @default.
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- W2783704099 date "2017-12-15" @default.
- W2783704099 modified "2023-09-24" @default.
- W2783704099 title "Cuantificación de metales pesados en Anadara tuberculosa(Mollusca:bivalvia) del estero Huaylá de Puerto Bolívar, por espectrofotometría de absorción atómica. // Quantification of heavy metals in Anadara tuberculosa, (Mollusca: bivalvia) from the Huaylá estuary of Puerto Bolívar, by atomic absorption spectrophotometry." @default.
- W2783704099 doi "https://doi.org/10.29076/issn.2528-7737vol10iss24.2017pp1-10p" @default.
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