JOURNAL ARTICLE

Effect of organic solvents on the high-frequency polarograms of cadmium in water-organic solvents mixtures

Kiyoshi MATSUMOTOSusumu IWAKIRIYutaka Osajima

Year: 1978 Journal:   BUNSEKI KAGAKU Vol: 27 (9)Pages: 555-560   Publisher: Japan Society for Analytical Chemistry

Abstract

カドミウム-塩化カリウム系を用いて高周波ポーラログラムに及ぼす有機溶媒の影響を検討した.14種の水-有機混合溶媒中において良好なポーラログラムが得られ,有機溶媒種を変えることによって一連の波形変化が得られることを明らかにした.アンモニア,ピリジン,ホルムアミド,アセトアミド,N-メチルホルムアミド,DMSO,酢酸,DMF,アセトニトリル,エタノール,アセトンの順に従い高周波ポーラログラムが正の整流効果の著しい波形(Fig. 1Aタイプ)から,正・負の整流効果の等しい波形(Bタイプ)を経て,負の整流効果の著しい波形(Cタイプ)へと変化することを明らかにした.カドミウムの高周波ポーラログラフ的挙動に及ぼす有機溶媒の効果に基づいて有機溶媒を四つのグループに分類し,各グループに属する有機溶媒の性質を酸,塩基的性質及び誘電率の観点から概略的に論じた.

Keywords:
Cadmium Organic solvent Chemistry Environmental chemistry Inorganic chemistry Organic chemistry Chemical engineering

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Topics

Thermodynamic properties of mixtures
Physical Sciences →  Chemical Engineering →  Fluid Flow and Transfer Processes
Electrochemical Analysis and Applications
Physical Sciences →  Chemistry →  Electrochemistry

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