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Abstract
Se ha detenninado el contenido de ión NO-3 en aguas de bebida en diversas poblaciones de la provincia de Granada, mediante la utilización de un electrodo de ión selectivo de NO3 . Encontrándose que el contenido de NO-3de todas las aguas analizadas están dentro de los límites permitidos en la legislación española para aguas potables que consideran tolerable un máximo de 50 mg/l. Mediante el método de adición simple, los valores calculados para la concentración de NO-3 están comprendidos entre 1,44 mg/l en Lobras y 28,2 mg/l en la Zubia, con un error medio del resultado de ± 0,01 y ± 0,21 respectivamente y los intervalos de confianza son de ± 0,02 y ± 0,51.
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