Determination of Cd2+ by ultrasound-assisted square wave anodic stripping voltammetry with a boron-doped diamond electrode

被引：12
作者：
Zhang, Tianjin [1 ]
Li, Chongying [1 ]
Mao, Benjiang [2 ]
An, Yan [2 ]
机构：
[1] Chengdu Univ Technol, Coll Mat & Chem & Chem Engn, Chengdu 610059, Peoples R China
[2] Sichuan Belam Technol Co Ltd, Mianyang 621000, Peoples R China
来源：
IONICS | 2015年 / 21卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Boron-doped diamond electrode; Cadmium; Determination; Ultrasound-assisted square wave anodic stripping voltammetry; HIGHLY SENSITIVE DETECTION; HEAVY-METAL IONS; ELECTROCHEMICAL DETECTION; TRACE CADMIUM; CARBON ELECTRODES; THIN-FILM; BISMUTH; LEAD; COPPER; WATER;
D O I：
10.1007/s11581-014-1350-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, a boron-doped diamond film, a new type of environmentally friendly electrode, was used as the sensing electrode. The analysis of trace metal cadmium was carried out by ultrasound-assisted square wave anodic stripping voltammetry. The influence of some experimental variables such as the supporting electrolyte, accumulation potential and accumulation time were investigated. Under the optimized conditions, the stripping peak currents showed a good linear relationship with the Cd2+ concentration ranging from 19.80 to 243.9 mu g L-1 with a detection limit of 1.0 mu g L-1. The effects of potential interfering ions were also studied, and the method was successfully applied to the determination of Cd2+ in real-water samples.
引用
收藏
页码：1761 / 1769
页数：9
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