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In-air micro-particle-induced X-ray emission imaging and spectroscopy of air-borne particles collected hourly from an automated sampling unit of the atmospheric environmental regional observation system
https://repo.qst.go.jp/records/80599
https://repo.qst.go.jp/records/805992a041e42-7e7f-4cd6-a489-b31d1bb5ee5b
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-09-30 | |||||
タイトル | ||||||
タイトル | In-air micro-particle-induced X-ray emission imaging and spectroscopy of air-borne particles collected hourly from an automated sampling unit of the atmospheric environmental regional observation system | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Kada, W.
× Kada, W.× Nakatsu, S.× Imayoshi, T.× Kumagai, K.× Tago, H.× Satoh, Takahiro× Koka, M.× Miura, K.× Hanaizumi, O.× Kamiya, T.× Takahiro, Satoh |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Particulate matter (PM) collected hourly by an automated sampling unit of the Atmospheric Environmental Regional Observation System (AEROS) was characterized by external micro-particle-induced X-ray emission (PIXE) analysis and imaging. Micro-PIXE analysis revealed the overall elemental composition and differences in the elemental composition ratios of PM2.5 and PM2.5-10 collected as individual spots on Teflon tape filters from the unit, and the blank Teflon tape showed a clean background. Moreover, micro-PIXE imaging visualized regions with different elemental compositions in PM2.5 and PM2.5-10. Accumulation of PM2.5 particles was found frequently on tape filters which accounted approximately for 70% of particular elemental composition including heavy metals like iron, compared to that from whole area. The results suggest that PIXE effectively reveals elemental composition of hourly-collected PM by AEROS system for futuristic application for source apportionment of those over Japan. | |||||
書誌情報 |
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 巻 477, p. 133-137, 発行日 2020-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0168-583X | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.nimb.2019.10.014 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.nimb.2019.10.014 |