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テノイルトリフルオロアセトンとクラウンエーテルによるランタン(III)とバリウム(II)の協同抽出分離
http://hdl.handle.net/2297/25033
http://hdl.handle.net/2297/250337629b91b-e0b0-4829-a26d-b6854015c0e0
名前 / ファイル | ライセンス | アクション |
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SC-PR-HONJO-T-895.pdf (213.5 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 | テノイルトリフルオロアセトンとクラウンエーテルによるランタン(III)とバリウム(II)の協同抽出分離 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Separation of lanthanum (III) and barium (II) as their thenoyltrifiuoroacetone complexes with dibenzo-18-crown-6 by means of synergistic extraction | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
著者 |
土田, 友一
× 土田, 友一× 本浄, 高治 |
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書誌情報 |
分析化学 = Japan analyst 巻 49, 号 11, p. 895-899, 発行日 2000-11-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0525-1931 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00222633 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2116/bunsekikagaku.49.895 | |||||
出版者 | ||||||
出版者 | The Japan Society for Analytical Chemistry = 日本分析化学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A new method for the separation of lanthanum(III) and barium(II) as their thenoyltrifluoroacetone (TTA) complexes with dibenzo-18-crown-6(DB18C6) in o-dichlorobenzene has been established by means of synergistic extraction and back-extraction combined with inductively coupled plasma atomic emisson spectrometry(ICP-AES). When the mixtures of La(III) and Ba(II) were extracted for 5 min at pH 4.5, only lanthanum(III) was extracted quantitatively, whereas barium(II) remained in the aqueous phase. After the phases were separated, barium(II) was extracted quantitatively for 5 min at pH 7.9 again. Then, the two phases were each shaken with 0.1 M HCl in order to back-extract lanthanum(III) and barium(II) from the organic phases; both metal ions were determined by ICP-AES. In the process, lanthanum(III) and barium(II) TTA chelates in o-dichlorobenzene formed stable adducts with DB18C6 (La(TTA)_3・nDB18C6 and Ba(TTA)_2・nDB18C6, n = 0 - 2). The stability constants(β_n) of the adducts determined by means of curve-fitting method were log β_1 = 3.7 and log β_2 = 5.9 for lanthanum(III), and log β_1 = 3.8 and log β_2 = 7.9 for barium(II). The extraction constant(log K) of lanthanum (III) adduct was - 3.7. | |||||
権利 | ||||||
権利情報 | (c) 2000 The Japan Society for Analytical Chemistry | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jsac.or.jp/index.html | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110002905799/en/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jstage.jst.go.jp/article/bunsekikagaku/49/11/49_895/_article/-char/ja |