SENSITIZED DETERMINATION OF SULFITE USING FLOW-INJECTION WITH CHEMILUMINESCENT DETECTION

被引：43

作者：

PAULLS, DA ^{[1
]}

TOWNSHEND, A ^{[1
]}

机构：

[1] UNIV HULL,SCH CHEM,KINGSTON HULL HU6 7RX,N HUMBERSIDE,ENGLAND

来源：

ANALYST | 1995年 / 120卷 / 02期

关键词：

CHEMILUMINESCENCE; SULFITE; FLOW INJECTION; 3-CYCLOHEXYLAMINOPROPANESULFONIC ACID; CYCLOOCTYLAMINE;

D O I：

10.1039/an9952000467

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The acidic oxidation of sulfite by Ce-IV is weakly chemiluminescent. A comparative study of the chemiluminescent determination of sulfite with the use of 3-cyclohexylaminopropanesulfonic acid (CAPS) and of cyclooctylamine as sensitizers of the reaction was made using a flow injection procedure. Despite a slight decrease in sensitivity; it was found that cyclooctylamine was superior to CAPS as a sensitizer and a detection limit of 5.4 x 10(-7) mol l(-1) sulfite was achieved compared with 1 x 10(-5) mol l(-1) using CAPS.

引用

页码：467 / 469

页数：3

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