書誌事項
- タイトル別名
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- Determination of Cesium in Foods by Atomic Absorption Spectrometry Based on Background-correction Using Zeeman Splitted Spectrum
- ゼーマン ブンレツ ホセイ ホウシキ ゲンシ キュウコウ コウドホウ ニ ヨル ショクヒン チュウ セシウム ノ テイリョウ
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The demand to measure the concentration of cesium is increasing. This is because such R&D as an adsorbent or a resin for removing radioactive cesium, and a shift of cesium to food is flourishing. The measurement conditions of cesium with atomic absorption spectrometry based on background-correction using Zeeman splitted spectrum has been optimized. In flame atomic absorption method, the addition of potassium nitrate (5000 mg L−1 as potassium) as an ionization inhibitor improved the sensitivity because the ionization of cesium was controlled. The detection limit (3σ) of cesium by this method was 0.04 mg L−1. In electrothermal atomic absorption method, 1000 mg L−1 potassium tungstate as a matrix modifier improved the linearity of the calibration curve and the sensitivity of cesium. The detection limit (3σ) of cesium by this method was 0.18 μg L−1. The proposed method was applied to the determination of cesium in food reference materials. The analytical results were in good agreement with certified values.
収録刊行物
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- 分析化学
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分析化学 62 (1), 37-41, 2013
公益社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204660582016
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- NII論文ID
- 10031139088
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- NII書誌ID
- AN00222633
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- COI
- 1:CAS:528:DC%2BC3sXit1alt7g%3D
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- NDL書誌ID
- 024250343
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- ISSN
- 05251931
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可