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Please use this identifier to cite or link to this item: http://hdl.handle.net/11178/4611

Title: 層状ポリケイ酸中の遷移金属イオンの特性 : 層空間および溶液中の遷移金属イオンのスペクトルの比較(物質生命化学科)
Other Titles: Characteristics of transition metal ion and in Layered Poly-Silicates : Comparison of spectra of transition metal ions in interlayer space and bulk solution(DEPARTMENT OF APPLIED CHEMISTRY AND BIOCHEMISTRY)
Authors: 松尾, 敦之
村石, 治人
MATSUO, Atsushi
MURAISHI, Haruto
マツオ, アツシ
ムライシ, ハルト
九州産業大学大学院工学研究科工業化学専攻 / 九州産業大学工学部物質生命化学科
Keywords: layered poly-silicates
complex
transition metal ions
ion-exchange
crystal field
Issue Date: Dec-2006
Publisher: 九州産業大学工学部
Abstract: The exchangeable sodium ion in layered poly-silicates was ion-exchanged by transition metal ions M^<2+> (Co^<2+>, Ni^<2+>, Cu^<2+>). These ions formed complexes in the silicate layer. The complex consisted of cations and ligands (H_2O molecules, surface functional groups of ≡Si-OH and ≡Si-O^- on the silicate layer). The ion-exchanged layered poly-silicates were investigated by VIS-UV spectrometry, and the strength of crystal field of interlayer space was determined by comparing the spectrum of the solid samples and ions in liquid (water, ethyl alcohol). (1) When there were many H_2O molecules, M^<2+> ions between the silicate layers were influenced by the crystal field which was comparable to M^<2+> aquo complex. (2) When there were few H_2O molecules, M^<2+> ions were affected by the crystal field which was analogous to M^<2+> alcoholic complex.
URI: http://hdl.handle.net/11178/4611
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