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液膜型NN金属指示薬イオン選択性電極の作製とキレート滴定への応用
http://hdl.handle.net/10252/4854
http://hdl.handle.net/10252/4854034ac5c0-a9c5-48f2-b70e-eb696f936b8c
名前 / ファイル | ライセンス | アクション |
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分析化学29(7)_486-489.pdf (249.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-05-18 | |||||
タイトル | ||||||
タイトル | 液膜型NN金属指示薬イオン選択性電極の作製とキレート滴定への応用 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Construction of a liquid membrure type NN metallochromic indicator ion-selective electrode and its application to chelatometric titration. | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Calcium | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Chelatometric titration | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ion-selective electrode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | NN metallochromic indicator | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Patton and Reeder's dye | |||||
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 |
片岡, 正光
× 片岡, 正光× 岸上, 真× 神原, 富民 |
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著者別名 | ||||||
姓名 | Kataoka, Masamitsu | |||||
著者別名 | ||||||
姓名 | Kishigami, Makoto | |||||
著者別名 | ||||||
姓名 | Kambara, Tomihito | |||||
書誌情報 |
分析化学 巻 29, 号 7, p. 486-489, 発行日 1980-07-05 |
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出版者 | ||||||
出版者 | 日本分析化学会 | |||||
ISSN / EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0525-1931 | |||||
書誌ID(NCID) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00222633 | |||||
テキストバージョン | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
日本十進分類法 | ||||||
主題Scheme | NDC | |||||
主題 | 433 | |||||
NIIサブジェクト | ||||||
主題Scheme | Other | |||||
主題 | 化学 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A liquid membrane type NN metallochromic indicator ion-selective electrode is constructed and its application to chelatometric titration of calcium(II) is described. The familiar NN indicator {2-hydroxy-1-(2-hydroxy-4-sulpho-1-naphthylazo)-3-naphthoic acid, Patton and Reeder's dye} is widely used as a metallochromic indicator for the chelatometric titration of calcium(II). With zephiramine (benzyldimethyltetradecylammonium chloride, abbreviated as Zeph+Cl^-) or benzylcetyldimethylammonium chloride (abbreviated as BCMA+Cl^-), the NN indicator ion forms an ion-pair in aqueous phase, which is easily extracted into nitrobenzene (NB) phase. The extracts show the property of H_3NN^- ion-sensitive membrane. The calibration curve of the electrode composed of Zeph+_H_3NN^- membrane shows the Nernstian response for H_3NN^- ion in the range of negative logarithm of the concentration from 3 to 6.5 and the slope of which is 58 mV per activity decade. Effect of pH on the electrode potential was observed and the potential of the electrode composed of Zeph^+-H_3NN^-membrane is constant over the pH range from 4.5 to 13.0. Selectivity coefficients of the electrode were evaluated by means of the mixed solution method. The present electrode shows good selectivity over most common inorganic anions. Calcium(II) was successfully titrated with the aid of the present electrode and the result showed a good agreement with that obtained by visual method. |