title: Determination of trace elements in aerosol samples by instrumental neutron activation analysis.
abstract: Two nuclear techniques, Energy-Dispersive X-Ray Fluorescence Analysis (EDXRF) and Instrumental Neutron Activation Analysis (INAA), were used to analyze aerosol samples collected in the city of São Paulo, Brazil. Na, Cl, Mn, V, Al, Sm, Mo, W, La, As, Br, Sb, K, Ba, Se, Th, Cr, Rb, Ca, Fe, Ce, and Sc were determined by INAA, and Al, Si, P, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, As, Se, Br, Rb, Sr, Hg, and Pb were determined by EDXRF. A preliminary identification of the main source of the atmospheric aerosol was performed based on enrichment factor and correlation coefficient calculations.
authors.affiliation: Instituto de Pesquisas Energéticas e Nucleares, IPEN-CNEN/SP, Radiochemistry Division, São Paulo, Brazil.
authors.forename: R P
authors.initials: RP
authors.lastname: Paiva
authors.forename: C J
authors.initials: CJ
authors.lastname: Munita
authors.forename: I I
authors.initials: II
authors.lastname: Cunha
authors.forename: J
authors.initials: J
authors.lastname: Romano
authors.forename: C D
authors.initials: CD
authors.lastname: Alonso
mesh_terms: D000336:Aerosols; D000393:Air Pollutants / Q000009:adverse effects / Q000032:analysis*; D001938:Brazil; D006801:Humans; D009501:Neutron Activation Analysis / Q000379:methods* / Q000592:standards / Q000706:statistics & numerical data; D012015:Reference Standards; D013052:Spectrometry, X-Ray Emission; D014131:Trace Elements / Q000009:adverse effects / Q000032:analysis* / Q000592:standards
chemical_list: D000336:Aerosols; D000393:Air Pollutants; D014131:Trace Elements