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Spectrophotometric Determination of Iron(III) after Separation by Adsorption of its N-benzoyl-N-phenylhydroxylamine Complex on Naphthalene
http://hdl.handle.net/10098/4427
http://hdl.handle.net/10098/4427f5c44449-5e59-4cf9-8dce-7a35224bc63d
名前 / ファイル | ライセンス | アクション |
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AN00215401-027-02-011.pdf (329.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2011-11-07 | |||||
タイトル | ||||||
タイトル | Spectrophotometric Determination of Iron(III) after Separation by Adsorption of its N-benzoyl-N-phenylhydroxylamine Complex on Naphthalene | |||||
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 | |||||
著者 |
SATAKE, Masatada
× SATAKE, Masatada× YOKOTA, Toshihiko× YOSHIDA, Nobusute |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The method is presented for the spectrophotometric determination of trace amounts of iron(III) after separation by adsorption of the complex on microcrystalline naphthalene. Iron(III) reacts with BPA to form a water-insoluble complex, which is easily adsorbed on microcrystalline naphthalene at room temperature. The mixture of complex and naphthalene is separated from aqueous solution and dissolved in dimethylformamide. The absorbance of the solution is measured at 437 nm against the reagent blank. Effects of pH, amounts of BPA and naphthalene, digestion time, standing time, shaking time and diverse foreign ions are studied. The molar absorptivity was 4.47 x 103 l.mol-l・cm-l , the sensitivity of the complex as expressed by the Sandell's notation being 1.25 x 10-2pg of copper per 〓. Sample solution containing 50 μg of iron(III) was analyzed ten times by the recommended procedure. The mean absorbance was 0.400 with relative standard deviation of 1.25%. | |||||
書誌情報 |
福井大学工学部研究報告 巻 27, 号 2, p. 271-278, 発行日 1979-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 4298373 | |||||
書誌レコードID | ||||||
識別子タイプ | NCID | |||||
関連識別子 | TD00004077 |