コバルト(II)による鉄(III)の還元反応に及ぼすNitro-PAPSの効果とそれを利用するコバルト(II)のフローインジェクション分析

Material type: 文書・図像類

Author: 田中, 美穂ほか

Publisher: 愛知工業大学

Publication date: 2005-07-20

Material Format: Digital

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Note (General)：: The reduction reaction of iron(III) with cobalt(II) easily occurs in the presence of 2-(5-nitro-2-pyridylazo)-5-(ALpropyl-N-sulfopropylamino)phenol (n...

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Material Type: 文書・図像類
Title: コバルト(II)による鉄(III)の還元反応に及ぼすNitro-PAPSの効果とそれを利用するコバルト(II)のフローインジェクション分析
Author/Editor: 田中, 美穂
渡辺, 靖之
大野, 慎介
田丸, 貴臣
手嶋, 紀雄
酒井, 忠雄
Author Heading: 田中, 美穂
渡辺, 靖之
大野, 慎介
田丸, 貴臣
手嶋, 紀雄
酒井, 忠雄
Publication, Distribution, etc.: 愛知工業大学
Publication Date: 2005-07-20
Publication Date (W3CDTF): 2005-07-20
Alternative Title: コバルト(II) ニヨルテツ　(III) ノカンゲンハンノウニオヨボス Nitro-PAPS　ノコウカトソレ　オリヨウスルコバルト(II)　ノフローインジェクションブンセキ
Effect of Nitro-PAPS on reduction of iron(III) with cobalt(II) and flow injection analysis of cobalt(II) in real samples
Periodical title: 総合技術研究所研究報告=Bulletin of Research Institute for Industrial Technology.
No. or year of volume/issue: 7
Volume: 7
Pages: 1-5
ISSN (Periodical Title): ISSN : 1344-9672
Text Language Code: eng
Target Audience: 一般
Note (General): The reduction reaction of iron(III) with cobalt(II) easily occurs in the presence of 2-(5-nitro-2-pyridylazo)-5-(ALpropyl-N-sulfopropylamino)phenol (nitro-PAPS) at pH 3.5, in which iron(II)-Nitro-PAPS chelate is formed, and the chelate has a specific absorption maximum at 790 nm. Cobalt(II) can be thus determined by measuring absorbance of the complex at above wavelength. The redox reaction is introduced into a two-channel flow system for the determination of cobalt(II). The calibration curve is linear in the concentration range of 2.5x10^<-7> M～1×10^<-5> M cobalt(II) with a sample throughput of 70 samples h^<-1>. The detection limit (S/N = 3) is 1×10^<-7> M and the relative standard deviation for 10 determinations is 0.3% for 2.5x10^<-6> M cobalt(II). The proposed flow-injection spectrophotometric method is applied to analyses of cobalt(II) in cobalt alloy (NIST SMR 862; High Temperature Alloy L 605) and pepperbush (NIES standard, No. 1) and to the indirect determination of vitamin B_<12> in pharmaceuticals.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/1646
Access Restrictions: 限定公開
Periodical Title (NCID): AA11484797
https://ci.nii.ac.jp/ncid/AA11484797
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 愛知工業大学 : 愛知工業大学学術情報リポジトリ