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The response of an Orion Lead Electrode 94-82A at l0.0 ℃, 25.0 ℃, 35.0 ℃, 45.0 ℃ and 50.0 ℃(±0.05 ℃) was examined in aqueous 0.1 mol dm^\u003c-3\u003e KNO_3 systems containing alcohols (methanol, ethanol, 1-propanol, ethylene glycol and glycerol). The results were conveniently analyzed by means of a new type of plot in which (2F/2.303 RT) × (E-E^〓) is plotted against log([Pb^\u003c2+\u003e]/c^〓), where E is the potential of the electrode when lead ion concentration is [Pb^\u003c2+\u003e], E^〓 is the potential observed ([Pb^\u003c2+\u003e] =c^〓), and the other symbols have their usual meanings. The advantage of this plot is that it gives a straight line with a slope of 1 passing through the origin when the response is nernstian irrespective of temperature and junction potential, if c^〓 is rightly chosen. In the present case the value of c^〓 was 10^\u003c-3\u003e mol dm^\u003c-3\u003e. At lead ion concentrations ranging between 1 and 10mmol dm^\u003c-3\u003e the response was nernstian in every case. At concentrations lower than a certain limit, which was around (l0^\u003c-4\u003e〜10^\u003c-5\u003e) mol dm^\u003c-3\u003e in the majority of cases, the magnitude |E-E^〓| became smaller than the ideal response. 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種々の温度における水-アルコール類混合溶媒系中の鉛イオン選択性電極の応答性
http://hdl.handle.net/10271/636
http://hdl.handle.net/10271/636e7f2d031-dd33-46af-905f-9b36631f99c7
名前 / ファイル | ライセンス | アクション |
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110002908081.pdf (389.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-08-27 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 種々の温度における水-アルコール類混合溶媒系中の鉛イオン選択性電極の応答性 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Alcohol-water systems | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lead(II) ion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lead ion selective electrode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Temperature dependence | |||||
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 | |||||
その他のタイトル | ||||||
その他のタイトル | Response of a lead ion selective electrode in water-alcohol systems at different temperatures. | |||||
著者 |
桜, 幸子
× 桜, 幸子× 一瀬, 典夫× 桜井, 信夫× 佐藤, 弦 |
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書誌情報 |
分析化学 巻 29, 号 10, p. 659-663, 発行日 1980-10-05 |
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出版者 | ||||||
出版者 | 日本分析化学会 | |||||
権利 | ||||||
権利情報 | 日本分析化学会 | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 医化学分析における基礎的データを得ることを目的として,Orion製鉛イオン選択性電極94-82Aの応答性を10.0℃〜50.0℃(±0.05℃)において,水-アルコール(メタノール,エタノール,1-プロパノール,エチレングリコール,グリセリン;0.1mol dm^<-3>硝酸カリウム)で調べた{[Pb^<2+>]=(10^<-7>〜約10^<-2>)mol dm^<-3>}.電極の電位応答を温度,溶媒が異なっても統一的に示すことができるような新しいプロットを用いた.いずれの場合でも,鉛イオン濃度がある下限より大きいときに電位は理想的応答を示した.下限濃度は系及び温度によって異なるが,多くの場合10^<-4> mol dm^<-3>ないし10^<-5> mol dm^<-3>程度であった.1-プロパノールは鉛の定量を妨害するような不純物を含む場合のあることが見いだされた. The response of an Orion Lead Electrode 94-82A at l0.0 ℃, 25.0 ℃, 35.0 ℃, 45.0 ℃ and 50.0 ℃(±0.05 ℃) was examined in aqueous 0.1 mol dm^<-3> KNO_3 systems containing alcohols (methanol, ethanol, 1-propanol, ethylene glycol and glycerol). The results were conveniently analyzed by means of a new type of plot in which (2F/2.303 RT) × (E-E^〓) is plotted against log([Pb^<2+>]/c^〓), where E is the potential of the electrode when lead ion concentration is [Pb^<2+>], E^〓 is the potential observed ([Pb^<2+>] =c^〓), and the other symbols have their usual meanings. The advantage of this plot is that it gives a straight line with a slope of 1 passing through the origin when the response is nernstian irrespective of temperature and junction potential, if c^〓 is rightly chosen. In the present case the value of c^〓 was 10^<-3> mol dm^<-3>. At lead ion concentrations ranging between 1 and 10mmol dm^<-3> the response was nernstian in every case. At concentrations lower than a certain limit, which was around (l0^<-4>〜10^<-5>) mol dm^<-3> in the majority of cases, the magnitude |E-E^〓| became smaller than the ideal response. Some samples of 1-propanol contained unknown impurities that interfered with the response of the electrode. | |||||
NII論文ID | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | 110002908081 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |