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  • 1
    UID:
    gbv_1832270998
    Format: 1 Online-Ressource (63-88 p.)
    ISBN: 9789585583214
    Content: The validation of lead and cadmium is presented by atomic absorption spectroscopy and atomization by graphite furnace as a means for the determination of these metals in drinking water and the crude of an aqueduct. The parameters evaluated were linear range (Lead: 1.0 and 10.0 μg/L and in cadmium is 0.1 to 2.0 μg/L), detection and quantification limits are of 0.3064 and 0.4759 μg/L for lead and for cadmium 0.0509 and 0.0814 μg/L respectively, the values corresponding to the calibration curves of the blanks method. The accuracy of the system was calculated by repeatability and reproducibility, which generated RSD less than 10%. The accuracy was calculated by the percentage of recovery with samples doped for lead of 2.5 and 8.0 μg/L and for cadmium with doped samples of 0.4, 1.0 and 1.5 μg/L. The aqueduct waters are not published lead and cadmium outside the regulations
    Content: Se presenta la validación de plomo y cadmio por espectroscopia de absorción atómica y atomización por horno de grafito como medio para la determinación de estos metales en el agua potable y cruda de un acueducto. Los parámetros evaluados fueron rango lineal (Plomo: 1.0 y 10.0 μg/L y en el cadmio es de 0.1 a 2.0 μg/L), los límites de detección y cuantificación son de 0.3064 y 0.4759 μg/L para el plomo y para el cadmio 0.0509y 0.0814 μg/L respectivamente, valores obtenidos con las curvas de calibración del método de los blancos. Se calculó la precisión del sistema mediante la repetitividad y la reproducibilidad, los cuales generaron RSD menores del 10%. La exactitud se calculó mediante el porcentaje de recuperación con muestras dopadas para el plomo de 2.5 y 8.0 μg/L y para el cadmio con muestras dopadas de 0.4, 1.0 y 1.5 μg/L. Las aguas de acueducto no presentaron concentra-ciones de plomo y cadmio por fuera de la normatividad
    Note: Spanish
    Language: Undetermined
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