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CHEMICAL NATURE OF HEAVY METAL ELEMENTS IN ANTARCTIC SNOW
https://doi.org/10.15094/00003617
https://doi.org/10.15094/000036173c2af963-a95f-4f11-b75a-e71a156cd411
名前 / ファイル | ライセンス | アクション |
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KJ00000767823 (78.7 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1990-01-01 | |||||
タイトル | ||||||
タイトル | CHEMICAL NATURE OF HEAVY METAL ELEMENTS IN ANTARCTIC SNOW | |||||
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 | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00003617 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
記事種別(英) | ||||||
en | ||||||
ABSTRACT | ||||||
論文名よみ | ||||||
その他のタイトル | CHEMICAL NATURE OF HEAVY METAL ELEMENTS IN ANTARCTIC SNOW | |||||
著者名よみ |
カナモリ, サトル
× カナモリ, サトル× カナモリ, ノブコ× ニシカワ, マサタカ× ニシオ, フミヒコ |
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著者名(英) |
KANAMORI, Satoru
× KANAMORI, Satoru× KANAMORI, Nobuko× NISHIKAWA, Masataka× NISHIO, Fumihiko |
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著者所属(英) | ||||||
en | ||||||
Water Research Institute, Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Water Research Institute, Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute for Environmental Studies | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Analysis of firn block samples from site S25 near Syowa Station revealed that significant parts of Al, Fe, Zn and Cu are contained in the snow sample as organic metal compounds. They dissolve into the melt water of the snow sample and become reactive only after oxidative digestion with HClO_4 and HNO_3. The same organic metal compounds were found in atmospheric aerosols collected at Syowa Station and Mizuho Station, which suggests that these were incorporated into the snow from atmospheric aerosols. The above observation, in association with the finding that these organic metal compounds also exist in aerosols from the North Pacific as well as from the Southern Sea, indicates that these compounds are widely distributed in the global atmosphere and further suggests the existence of gaseous organic metal compounds in the air as a precursor of these compounds in the aerosols. The samples of snow from site S25 and atmospheric aerosols from the Southern Sea were subjected to volatilization experiments in the vacuum and the vapor was collected in the cold trap immersed into the liquid N_2. Significant amounts of the heavy metals were found in the cold trap, showing the volatile nature of these heavy metal elements contained in the Antarctic snow and aerosols. These results support the idea that the gaseous organic metal compounds exist in the air as a precursor of aerosols. Experiments to directly determine the gaseous organic metal compounds are now in progress. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756213 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology 巻 3, p. 103, 発行日 1990-01 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |