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Solvent Sublation and Spectrometric Determination of Iron(II) and Total Iron Using 3-(2-Pyridy1)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine and Tetrabutylammonium Bromide
http://hdl.handle.net/10191/29855
http://hdl.handle.net/10191/2985555e02f42-dcf7-4fd6-b6e3-55e3e8e1f657
名前 / ファイル | ライセンス | アクション |
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22_9_1169-1174.pdf (92.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-09-10 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Solvent Sublation and Spectrometric Determination of Iron(II) and Total Iron Using 3-(2-Pyridy1)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine and Tetrabutylammonium Bromide | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Magda, Ali AkL
× Magda, Ali AkL× Mori, Yoshihito× Sawada, Kiyoshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Solvent sublation has been studied for the separation and determination of trace iron(II) in various kinds of water samples. A strongly magenta-colored anionic [Fe(FZ)3]4- complex was formed at pH 5.0 upon adding 3-(2-pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine (ferrozine, FZ) to the sample solution. Tetrabutylammonium bromide (TBAB) was added in the solution to form the (TBA)4[Fe(FZ)3] ion pair, and an oleic acid (HOL) surfactant was added. Then, the (TBA)4[Fe(FZ)3] ion pairs were floated by vigorous shaking in the flotation cell and extracted into methyl isobutyl ketone (MIBK) on the surface of the aqueous solution. The iron collected in the MIBK layer was measured directly by spectrophotometry and/or flame atomic-absorption spectrophotometry. Different experimental variables that may affect the sublation efficiency were thoroughly investigated. The molar absorptivity of the (TBA)4[Fe(FZ)3] ion pair was 2.8 × 104 l mol-1 cm-1 in the aqueous layer. Beer's law held up to 1.0 mg l-1 Fe(II) in the aqueous as well as in the organic layers. The adopted solvent sublation method was successfully applied for the determination of Fe(II) in natural water samples with a preconcentration factor of 200. The application was extended to determine iron in pharmaceutical samples. | |||||
言語 | en | |||||
書誌情報 |
en : Analytical sciences 巻 22, 号 9, p. 1169-1174, 発行日 2006-09 |
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出版者 | ||||||
言語 | ja | |||||
出版者 | 日本分析化学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0910-6340 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10500785 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.2116/analsci.22.1169 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
著者版フラグ | ||||||
値 | publisher |