Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 505, Issue 1-2, Pages 430-434Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0168-9002(03)01114-8
Keywords
PM2.5; PM10; nuclear techniques; iron; potassium; zinc
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As part of a contract for air quality monitoring at an urban waste incinerator neighborhood, measurements of PM10 and PM2.5 are being routinely evaluated. Two samples are collected for 24 h at the weekend and a working day, using a, Gent collector, which separates the particulate in two fractions: PM2.5 and PM2.5-10. Filters are polycarbonate Nuclepore, sized 47 mm, which, for analysis, are cut as: one half to be analyzed by instrumental neutron activation analysis (INAA) and one quarter for proton induced X-rays emission (PIXE). Both techniques are multielemental. determining together around 25 chemical elements. Comparison of results is just possible for potassium, iron and zinc, which are compared in this work. A better agreement is obtained in PM2.5 suggesting a homogeneity trend. Fe and K compare quite well and Zn may show quite different results. (C) 2003 Elsevier Science B.V. All rights reserved.
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