CONTINUOUS-FLOW CHEMILUMINOMETRIC DETERMINATION OF AMMONIUM ION IN FERTILIZERS

被引：23

作者：

HALVATZIS, SA ^{[1
]}

TIMOTHEOUPOTAMIA, MM ^{[1
]}

机构：

[1] UNIV ATHENS,ANALYT CHEM LAB,PANEPISTIMIOPOLIS,GR-15771 ATHENS,GREECE

来源：

TALANTA | 1993年 / 40卷 / 08期

关键词：

D O I：

10.1016/0039-9140(93)80194-V

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A simple continuous-flow chemiluminometric method for the determination of 0.0540-5.40 mug/ml of ammonium ion is described. The method is based on the chemiluminescence generated during the oxidation of ammonium ion by N-bromosuccinimide in alkaline medium. The emission intensity is greatly enhanced if dichlorofluorescein is also present in the reaction solution. The analysis is automated, requires no sample pre-treatment and solutions can be analysed at a rate of 106 solutions/hr with a relative error of about 2.5%. The method was applied satisfactorily to the determination of ammonium ion in solid and liquid fertilizers.

引用

页码：1245 / 1254

页数：10

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