多孔質膜金電極における陽極溶出ボルタンメトリーによる高濃度アルカリ水溶液中の微量銅イオンの定量

渡邉 修, 久松 亨, 水口 仁志, 飯山 真充

doi:10.2116/bunsekikagaku.62.707

書誌事項

タイトル別名

Determination of Copper(II) in Concentrated Alkaline Solutions by Anodic Stripping Voltammetry with a Microporous Membrane Electrode
タコウシツマクキンデンキョクニオケルヨウキョクヨウシュツボルタンメトリーニヨルコウノウドアルカリスイヨウエキチュウノビリョウドウイオンノテイリョウ

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説明

A new anodic stripping voltammetry (ASV) using a microporous membrane electrode has been developed for the on-line monitoring of trace Cu^II in concentrated alkaline solutions. Microporous membrane electrodes were prepared by plating gold onto membrane filters made of polypropylene (PP). By SEM observations, it was confirmed that the membrane filter was modified by gold fine particles. The microporous membrane electrodes were set in a penetrated-type electrochemical flow-cell, and Cu^II was deposited while the sample solution passed through the electrode. The concentration of Cu^II was estimated with the anodic stripping peak currents. The calibration curve showed linearity within a range of 0 – 25 μg L⁻¹ Cu^II in a 48% KOH solution. The proposed method will become a useful technique for an on-line monitoring system for trace Cu^II, which has been in urgent demand by the semiconductor manufacturing.

収録刊行物

分析化学

分析化学 62 (8), 707-712, 2013

公益社団法人日本分析化学会

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詳細情報詳細情報について

CRID: 1390282679638202240

NII論文ID: 10031178768

NII書誌ID: AN00222633

DOI: 10.2116/bunsekikagaku.62.707

COI: 1:CAS:528:DC%2BC3sXhsVWiu7%2FJ

NDL書誌ID: 024835333

ISSN: 05251931

Web Site: http://id.ndl.go.jp/bib/024835333; https://ndlsearch.ndl.go.jp/books/R000000004-I024835333; https://www.jstage.jst.go.jp/article/bunsekikagaku/62/8/62_707/_pdf

本文言語コード: ja

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