Theory and practice of rapid flow-through analysis based on optode detection and its application to pH measurement as a model case

被引：24

作者：

Hisamoto, H ^{[1
]}

Tsubuku, M ^{[1
]}

Enomoto, T ^{[1
]}

Watanabe, K ^{[1
]}

Kawaguchi, H ^{[1
]}

Koike, Y ^{[1
]}

Suzuki, K ^{[1
]}

机构：

[1] KEIO UNIV,DEPT APPL CHEM,KOHOKU KU,YOKOHAMA,KANAGAWA 223,JAPAN

来源：

ANALYTICAL CHEMISTRY | 1996年 / 68卷 / 21期

关键词：

D O I：

10.1021/ac951149+

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Rapid now-through analysis (RFA) based on optode (optical chemical sensor) detection is proposed, and its performance is discussed using the RFA system equipped with a pH-sensitive optode as a model case. To demonstrate and understand the usefulness of the RFA system, long-lifetime pH-sensitive optodes were prepared casing a hydrophilic poly(hydroxyethyl methacrylate) (poly-HEMA) membrane covalently immobilized with a dye containing an amino group such as Congo Red or Nile Blue. The response equation for the optode with the RFA system was proposed, and satisfactory estimation for rapid pH analysis was obtained. The proposed RFA can stand as an advanced method for conventional now injection analysis.

引用

页码：3871 / 3878

页数：8

共 28 条

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