A quantitative study of air-borne particulate matter collected on membrane filters by means of X-ray photoelectron spectroscopy |
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| Authors: | Ivo Allegrini Claudio Battistoni Giulia Mattogno Ernesto Paparazzo |
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| Affiliation: | Istituto sull''Inquinamento Atmosferico, CNR, Italy;Istituto di Teoria, Struttura Elettronica e Comportamento Spettrochimico dei Composti di Coordinazione, CNR Area della Ricerca di Roma, CNR, Via Salaria Km 29.600, C.P. 10, 00016 Monterotondo Stazione Rome Italy |
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| Abstract: | The capability of X-ray photoelectron spectroscopy, XPS or ESCA, in analysing oxidation states and measuring the concentration of elements present in air pollution particulates collected on membrane filters is evaluated. Semi-quantitative data are compared with those from XRF and wet chemical analysis. Differences of about a factor of 2.0–2.5 are found which are critically discussed in relation to particle size and the distribution of ionic species. The importance of intrinsic properties of matrix materials and instrumental factors is also discussed. |
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