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  1. Pubblicazioni

Methods for Elemental Analysis of Size-Resolved PM Samples Collected on Aluminium Foils: Results of an Intercomparison Exercise

Articolo
Data di Pubblicazione:
2022
Abstract:
Aluminium is the most common substrate in studies using impactors for the measurement of the number or the weight of size-segregated atmospheric particulate matter (PM), as its characteristics perfectly fit impactor requirements. However, its use is not recommended by manufacturers when one of the purposes of the study is the determination of the metal content in the sample. The aim of this work was to develop an efficient analytical procedure for the removal and acid digestion of PM samples collected on aluminium foils by a cascade impactor to perform the determination of metals. The possibility of performing the trace metal analysis of PM samples collected using aluminium foils is of great importance, as it allows the determination of an accurate size distribution and the elemental composition of the PM collected on each impactor stage. Two procedures were optimised by using different digestion and analysis techniques. Both procedures were then applied to the two halves of several Dekati low-pressure impactor (DLPI) samples, and the results were critically compared. The two procedures proved to be effective in the determination of extremely low concentrations of a large suite of analytes in different size fractions of PM emitted by a brake system.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
impactor, aluminium foils, digestion, elemental analysis, metals, atmospheric particulate matter
Elenco autori:
Conca Eleonora, Malandrino Mery, Diana Aleandro, Abollino Ornella, Giacomino Agnese, Bartrolí Rafael, Moreno Teresa, Querol Xavier, Amato, Fulvio
Autori di Ateneo:
ABOLLINO Ornella
DIANA ALEANDRO
GIACOMINO Agnese
MALANDRINO Mery
Link alla scheda completa:
https://iris.unito.it/handle/2318/1884261
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1884261/1066220/Molec_2022_Methods%20for%20Elemental%20Analysis%20of%20SizeResolved%20PM_Conca%20et%20al.pdf
Pubblicato in:
MOLECULES
Journal
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URL

https://www.mdpi.com/1420-3049/27/21/7442
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