Determinación de la concentración de cadmio mediante espectrofotometría de absorción atómica en Agua Potable de la Provincia El Oro, 2020

Abstract

Cadmium is generated naturally through volcanic eruptions, or in an anthropogenic way, that is, man-induced with activities such as industrial or mining. The Cd is removed both by precipitation or deposition, by soil erosion and then by runoff, it is transferred to water sources, such as lakes, rivers, streams and finally to the sea. This element is spread naturally throughout the earth at a concentrate level of approximately 0.1 mg / kh. In sedimentary and magmatic rocks it does not exceed 0.3 mg / kg and they are in similar quantities for clay deposits. It can also be found anthropogenicly in the refillable deposits of Nickel and Cadmium, in the incinerations of the municipalities, in fertilizers with phosphates, in disinfectants and petroleum derivatives, it is present in the pigmentation and stabilization of plastic materials and polyvinyl chloride (PVC), in paint pigmentation, galvanized, in Zn refining; in natural mineral sources in volcanic ashes and in forest fires through combustion of wood, coal and oil; Approximately 5% of this metal is recycled and because of the easy displacement it has causes great environmental pollution. This metal causes damage at the renal level mainly generating renal tubule dysfunction, infection and pulmonary edema, nausea vomiting and many more symptoms as well as causing some type of cancer either prostate or lung.