Quantitative Photoelectron spectroscopy (esca) of sulfate aerosol on filtration media

F. Müller, K. K. Kleinherbers, A. Goldmann, R. Nießner

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

3 Zitate (Scopus)

Abstract

Photoelectron spectroscopy (ESCA) was applied to sub-micron sodium sulfate particles deposited on different filter surfaces. Only flat membrane filters were found to be suitable for aerosol analysis by ESCA. A linear dependence of ESCA signal on aerosol mass was observed for different polydisperse mass loadings on Nuclepore filters. We have also performed a systematic study of the relation between ESCA signal and particle diameter (30–220 nm). Lower detection limits range between 25 and 100 ng SO24 per 0.25-cm2 analyzed filter area, depending on particle radius and/or size distribution. We discuss future applications of ESCA in aerosol analysis.

OriginalspracheEnglisch
Seiten (von - bis)109-116
Seitenumfang8
FachzeitschriftAerosol Science and Technology
Jahrgang7
Ausgabenummer1
DOIs
PublikationsstatusVeröffentlicht - 1987
Extern publiziertJa

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