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.
| Original language | English |
|---|---|
| Pages (from-to) | 109-116 |
| Number of pages | 8 |
| Journal | Aerosol Science and Technology |
| Volume | 7 |
| Issue number | 1 |
| DOIs | |
| State | Published - 1987 |
| Externally published | Yes |
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