Speciation of Boron Species Adsorbed onto Polysaccharide Gel by 11B NMR Spectroscopy
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- MIYAZAKI Yoshinobu
- <I>Department of Chemistry, Fukuoka University of Education</I>
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- SHAO Chaoying
- <I>Department of Chemistry, Faculty of Sciecnes, Kyushu University</I>
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- MATSUOKA Shiro
- <I>Department of Chemistry, Faculty of Sciecnes, Kyushu University</I>
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- YOSHIMURA Kazuhisa
- <I>Department of Chemistry, Faculty of Sciecnes, Kyushu University</I>
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抄録
Boron species adsorbed onto polysaccharide gels, cellulose (Cellulofme GC), cellulose cross-linked with epichlorohydrin (Cellulofme GCL) and dextran cross-linked with epichlarohydrin (Sephadex G), were characterized by 11B NMR spectroscopy. Borate ion reacts with Cellulofine GCL-25 to form both (α, β) -monochelate and (α, β) (α, β) -bischelate complexes. In the case of Cellulofine GC-100, however, hydrogen bonds among the cellulose chains to hold the gel structure prevent the completion with borate. For Sephadex G-25 the formation of (α, β) (α, γ) -bischelate complex was revealed in addition to (α, β) -monochelate, (α, β) (α, β) -bischelate and (α, γ) -monochelate complexes similarly to the borate-dextran system. Formation constants of borate complexes with Cellulofine GCL and Sephadex G are reported.
収録刊行物
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- 日本イオン交換学会誌
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日本イオン交換学会誌 14 (Supplement), 33-36, 2003
日本イオン交換学会
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詳細情報 詳細情報について
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- CRID
- 1390282679412626432
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- NII論文ID
- 40005923298
- 130004162253
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- NII書誌ID
- AN10185781
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- ISSN
- 18843360
- 0915860X
- http://id.crossref.org/issn/0915860X
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- NDL書誌ID
- 6682532
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- 本文言語コード
- en
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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