SENSITIVE COLORIMETRIC DETERMINATION OF AMMONIUM ION IN WATER BY LASER PHOTOTHERMAL DETECTION

被引：15

作者：

STRAUSS, E

FAVIER, JP

BICANIC, D

VANASSELT, K

LUBBERS, M

机构：

[1] AGR UNIV WAGENINGEN,DEPT AGR ENGN,DUIVENDAAL 1,6701 AP WAGENINGEN,NETHERLANDS

[2] UNIV GEORGIA,DEPT PHYS & ASTRON,ATHENS,GA 30605

[3] AGR UNIV WAGENINGEN,DEPT SOIL SCI & GEOL,6701 AB WAGENINGEN,NETHERLANDS

来源：

ANALYST | 1991年 / 116卷 / 01期

关键词：

AMMONIUM DETERMINATION; TRACE DETECTION; PHOTOTHERMAL METHOD; ALUMINUM GALLIUM ARSENIC DIODE LASER; HELIUM NEON LASER;

D O I：

10.1039/an9911600077

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Photothermal beam deflection was combined with the established and proven indophenol colorimetric method for the measurement of trace amounts of ammonium ion in water. A7 mW 632 nm He-Ne laser and a 4 mw 780 nm Al-Ga-As semiconductor laser provided a limit of detection below 0.25 mmol m-3.

引用

页码：77 / 79

页数：3

共 15 条

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