Examinando por Autor "Meza Poma, Milagros Zenobia"

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    Determinación de plomo y arsénico por absorción atómica en aguas de rio para consumo humano provenientes de caños y reservorio en el anexo de Huancapuquio, distrito de Chocos provincia de Yauyos 2017
    (Universidad Privada Norbert Wiener, 2018-06-06) Meza Poma, Milagros Zenobia; Lizano Gutiérrez, Jesús Víctor
    The concentration of Lead (Pb) and Arsenic (As) was quantified in tap water for human consumption and in water from the central reservoir originating from the Cañete River in the Huancapuquio annex, Chocos district, Yauyos province. For this purpose, 10 tap water samples and 10 samples from different points of the central reservoir were taken for both lead and arsenic analysis. The Atomic Absorption Spectrophotometry with Graphite Furnace method was used for the quantification of the metals. It was found that the average lead concentration in the tap water samples was 11.8 µgPb/L, with a minimum concentration of 2.44 µgPb/L and a maximum of 26.31 µgPb/L. 50% of the samples exceeded the permissible parameters given by the WHO and the NTP (10 µgPb/L), indicating a risk of chronic intoxication and a public health problem. In the central reservoir, an average of 9.88 µgPb/L was found, with a minimum concentration of 2.54 µgPb/L and a maximum of 23.63 µgPb/L, and 40% of the samples exceeded the maximum permissible limits given by the WHO and the NTP. In the case of arsenic, the average concentration of the tap water samples was 3.39 µgAs/L, with a minimum value of 1.03 µgAs/L and a maximum of 10.53 µgAs/L. Only 5% of these samples exceeded the maximum permissible limits given by the WHO, and 100% did not exceed the NTP limits. Regarding the reservoir water, the average was 5.57 µgAs/L, with a minimum value of 0.72 µgAs/L and a maximum of 12.60 µgAs/L. Only 10% of these samples exceeded the maximum permissible limits given by the WHO (10 µgAs/L), and in both cases, the concentrations did not exceed the NTP limits (50 µgAs/L).