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Acta Nova

versión On-line ISSN 1683-0789

Resumen

ORDONEZ - AQUINO, Carol  y  SANCHEZ - CCOYLLO, Odón. Characterization of the PM2,5 chemical - morphological in Lima metropolitan with scanning electronic microscopy (SEM). RevActaNova. [online]. 2018, vol.8, n.3, pp.397-420. ISSN 1683-0789.

The quantification of the concentrations of the pollutant criteria has shown that the problem in the city of Lima is the high concentrations of particulate matter, is more interest PM2,5 With the fmality to identify the chemicals elements of PM2,5, we made two sampling campaigns at April 13 to May 3, 2015 in Ate and Villa María del Triunfo, in May 18 to June 7, 2015 in Puente Piedra and San Juan de Lurigancho, with the equipment Low sampler Thermo Scientific, model Partisol. The chemical-morphological characterization of the particulate material was performed with a scanning electrón microscope of the SEMFE QUANTA 200 with ED's spectrophotometer. The results indicated the presence of chemical elements such as silicon, titanium, aluminium, zinc, copper, sodium chlorides, sulphates, etc. Which are associated with types of anthropogenic sources and natural sources that characterize each site sampled.

Palabras clave : PM2,5; Sampling; scanning electron microscopy; pollution sources.

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