引用本文:
Bao Xin LI, Wei QIN, Zhu Jun ZHANG. Chemiluminescence flow Sensor for determination of the Ammonium ion[J]. Chinese Chemical Letters,
1998, 9(8): 743-745.
Citation: Bao Xin LI, Wei QIN, Zhu Jun ZHANG. Chemiluminescence flow Sensor for determination of the Ammonium ion[J]. Chinese Chemical Letters, 1998, 9(8): 743-745.
Citation: Bao Xin LI, Wei QIN, Zhu Jun ZHANG. Chemiluminescence flow Sensor for determination of the Ammonium ion[J]. Chinese Chemical Letters, 1998, 9(8): 743-745.
Chemiluminescence flow Sensor for determination of the Ammonium ion
摘要:
A novel chemiluminescence (CL) sensor for NH4+ combined with flow injection analysis is presented in this paper. It is based on the inhibition effect of NH4+ on the CL reaction between luminol, immobilized electrostatically on an anion-exchange column, and hypochlorous acid electrogenerated on-line. The sensor responds linearly to NH4+ concentration in 1.0×lO-6-4.0×10-9 g/ml range. A complete analysis could be performed in 1 min. The system is stable for 200 determination
English
Chemiluminescence flow Sensor for determination of the Ammonium ion
Abstract:
A novel chemiluminescence (CL) sensor for NH4+ combined with flow injection analysis is presented in this paper. It is based on the inhibition effect of NH4+ on the CL reaction between luminol, immobilized electrostatically on an anion-exchange column, and hypochlorous acid electrogenerated on-line. The sensor responds linearly to NH4+ concentration in 1.0×lO-6-4.0×10-9 g/ml range. A complete analysis could be performed in 1 min. The system is stable for 200 determination
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Key words:
- chemiluminescence
- / flow sensor
- / eletrogenerated reagent
- / ammonium ion
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