Rapid determination of mercury in water by stripping voltammetry at a gold-modified carbon electrode

被引：17
|
作者：
Khustenko, LA [1 ]
Larina, LN [1 ]
Nazarov, BF [1 ]
机构：
[1] Tomsk Polytech Univ, Tomsk 634050, Russia
来源：
JOURNAL OF ANALYTICAL CHEMISTRY | 2003年 / 58卷 / 03期
关键词：
Analytical Chemistry; Mercury; Ozonation; Detection Limit; Sample Preparation;
D O I：
10.1023/A:1022694606107
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A procedure was developed for determining mercury in natural water by stripping voltammetry on a gold-modified carbon electrode. The concentration dependence of the anodic stripping current of mercury is linear in the range 0.02-5 mug/L Ha(II). The interference of Fe(III), Cu(II), Cl-, Br-, I-, and F- ions with the determination of mercury was studied. Ozonation was used for rapid sample preparation. The detection limit for mercury was 0.02 mug/L at an electrolysis time of 5 min.
引用
收藏
页码：262 / 267
页数：6
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