書誌事項
- タイトル別名
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- Coulometric Determination of Chloride Ion Using Two-step Electrolysis of Deposition and Dissolution at Ag Electrode
- ギン デンキョク ニ オケル セキシュツ ・ ヨウシュツ ノ 2 ダンカイ デンカイ オ リヨウ スル エンカブツ イオン ノ クーロメトリー テイリョウ
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抄録
A coulometric determination of chloride ion based on two-step electrolysis involving deposition and dissolution was carried out in two manners. One was the batch method where an Ag net electrode was employed, the other was the flow method, where an Ag wire embedded in polytetrafluoroethylene tube was employed. In the batch method, an aqueous medium and mixed solvent medium of methanol and water were applied. In the case of the mixed solvent medium, the detection limit was improved to be 2.6 × 10−5 mol dm−3 (M), as compared with 9.2 × 10−5 M in an aqueous medium. However, it took more than 15 min to attain quantitative electrolysis in the batch method. In the flow method, a sample solution of 20 μL was injected, and it took approximately 100 s at 0.01 mL min−1 to attain quantitative electrolysis. The available concentration range of chloride ion was 8 × 10−5 – 1 × 10−3 M, and the electrolytic efficiency was 97 ± 3%. The detection limit was 7.8 × 10−5 M.
収録刊行物
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- 分析化学
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分析化学 61 (12), 1055-1061, 2012
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
- 1390001204661967488
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- NII論文ID
- 10031131690
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- NII書誌ID
- AN00222633
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- COI
- 1:CAS:528:DC%2BC3sXlvVCjsw%3D%3D
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- NDL書誌ID
- 024185932
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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
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- 抄録ライセンスフラグ
- 使用不可