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第42号 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/11178/4540

Title: 均一沈殿法による固体膜型コバルト(II)イオンセンサー(物質生命化学科)
Other Titles: Construction of Solid-State Cobalt (II) Ion-Sensor Utilized Monodispersed Ag_2S and CoS Particles by Homogenious Precipitation(DEPARTMENT OF APPLIED CHEMISTRY AND BIOCHENISTRY)
Authors: 金崎, 裕子
瀬戸嶋, 義隆
今任, 稔彦
山崎, 澄男
大浦, 博樹
KANASAKI, Hiroko
SETOJIMA, Yositaka
IMATO, Toshihiko
YAMASAKI, Sumio
OHURA, Hiroki
カナサキ, ヒロコ
セトジマ, ヨシタカ
イマトウ, トシヒコ
ヤマサキ, スミオ
オオウラ, ヒロキ
九州産業大学工学研究科 / トランスコスモス株式会社 / 九州大学大学院工学研究院応用化学部門 / 九州産業大学物質生命化学教室 / 九州産業大学物質生命化学教室
Keywords: Cobalt ion-sensor
fine particles
homogenious precipitation
Issue Date: 20-Dec-2005
Publisher: 九州産業大学工学部
Abstract: In order to examine the response characteristics of a cobalt (II) ion-sensor (Co(II)-ISE) with a solid-state sulfide membrane, several kinds of mixed sulfidis of silver and cobalt were prepared by different methods. Consequently, Co (II)-ISE fabricated by fine particles Ag_2S and CoS powders (ca. 1μm diameter) formed from homogeneous precipitation showed a much better response than those of other methods. The Ag_2S and CoS particles were synthesized from a mixed solution of thioacetamide with and without urea, silver nitrate and cobalt nitrate, respectively, at 70℃ over 2h period. The electrode showed a near-Nernstian response to Co^<2+> in the concentration range from 10^<-4> and 10^<-1> mol/l, and found to have several fairly well such as short response time, reproducible potential stability and life-time. It was assumed that fine Ag_2S and CoS particles prepared by homogenious precipitation method could play an important role in the performance of such an electrode.
URI: http://hdl.handle.net/11178/4540
Appears in Collections:第42号

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