Accumulation of Metals in Water and Sediment of Cotarsaya Dam - Tito Humpiri, Juan Manuel;Huayhua Huamani, Edwin;Mamani Mamani, Enrique
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Water and sediment samples were analyzed at four points during the rainy and dry seasons. The results obtained were compared with Peruvian and Canadian environmental standards. The concentration of metals in water does not exceed the detection limits; no cadmium is present in sediments; the concentration of arsenic in stations N°1 (58 mg/kg), N°2 (52 mg/kg) exceeds the maximum limits established by the Canadian standard (6 mg/kg) and the Peruvian ECA (50 mg/kg); Mercury exceeds the limits established by the Canadian standard (0.2 mg/kg) at stations N°3 (0.3 mg/kg) and N°4 (0.4 mg/kg); lead is…mehr

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Produktbeschreibung
Water and sediment samples were analyzed at four points during the rainy and dry seasons. The results obtained were compared with Peruvian and Canadian environmental standards. The concentration of metals in water does not exceed the detection limits; no cadmium is present in sediments; the concentration of arsenic in stations N°1 (58 mg/kg), N°2 (52 mg/kg) exceeds the maximum limits established by the Canadian standard (6 mg/kg) and the Peruvian ECA (50 mg/kg); Mercury exceeds the limits established by the Canadian standard (0.2 mg/kg) at stations N°3 (0.3 mg/kg) and N°4 (0.4 mg/kg); lead is within the limits allowed by the Canadian standard (35 mg/kg) and the Peruvian ECA (70 mg/kg).
Autorenporträt
Physicien de profession, il a fait des études de premier cycle à l'université nationale San Antonio Abad del Cusco (Pérou), un master en ingénierie environnementale et un doctorat en science, technologie et environnement, tous deux à l'université nationale de l'Altiplano - Puno (Pérou). Il enseigne actuellement à l'université nationale de Juliaca (Pérou).