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Determination of uranium in powdered quartz at ppb level by fission track method
https://doi.org/10.24517/00010162
https://doi.org/10.24517/000101626108f2d6-a4bd-4175-a766-7d2398ad73a9
名前 / ファイル | ライセンス | アクション |
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SC-PR-NAKANISHI-T-491.pdf (478.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Determination of uranium in powdered quartz at ppb level by fission track method | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.24517/00010162 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Nakanishi, Takashi
× Nakanishi, Takashi |
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著者別表示 |
中西, 孝
× 中西, 孝 |
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書誌情報 |
Fresenius' Zeitschrift für Analytische Chemie 巻 327, p. 491-494, 発行日 1987-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0016-1152 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/bf00487232 | |||||
出版者 | ||||||
出版者 | Springer Verlag | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The demand for powdered quartz with low alpha -radioactivity has been increasing in the field of manufacturing semiconductor memory device packages. In this work, the determination of uranium in powdered high-purity quartz samples was studied using a simplified fission track procedure in which ∼ 0.5 g each of sample and a fission track detector (synthetic quartz glass plate, uranium impurity ∼ 0.04 ppb) were loaded in a polyethylene capsule and irradiated with a thermal neutron flux of ∼ 1017 cm-2. An easy procedure was also employed for chemical etching of fission tracks. All measurements of uranium concentration in the samples were made on a relative basis by comparing the unknown track densities to that measured for NBS glass SRM 617. The reliability was established for the present determination of uranium down to ∼ 0.1 ppb. The concentrations of uranium in powdered quartz samples studied in this work were in a range from 7.9 down to 0.12 ppb. © 1987 Springer-Verlag. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |