DETERMINATION OF TRACE ALUMINUM BY ANODIC ADSORPTIVE STRIPPING VOLTAMMETRY USING A MULTI-WALLED CARBON NANOTUBE MODIFIED CARBON PASTE ELECTRODE

被引：8
|
作者：
Deng, Peihong [1 ]
Fei, Junjie [2 ]
Zhang, Jun [1 ]
Feng, Yonglan [1 ]
机构：
[1] Hengyang Normal Univ, Dept Chem & Mat Sci, Coll Hunan Prov, Key Lab Funct Organometall Mat, Hengyang 421008, Peoples R China
[2] Xiangtan Univ, Coll Chem, Key Lab Environm Friendly Chem & Applicat Minist, Xiangtan, Peoples R China
来源：
ANALYTICAL LETTERS | 2011年 / 44卷 / 08期
关键词：
Alizarin violet; Aluminum determination; Anodic adsorptive stripping voltammetry; Modified electrode; Multi-walled carbon nanotubes; SAMPLES; COMPLEX; WATER;
D O I：
10.1080/00032719.2010.520382
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The adsorptive voltammetric behavior of the aluminum (Al)-alizarin violet (AV) complex in 0.2 mol L-1 HAc-NaAc buffer (pH 4.5) at a multi-walled carbon nanotube modified carbon paste electrode (MWCNT/CPE) was investigated. The results showed that the complex can be adsorbed on the surface of the MWCNT/CPE, yielding one oxidation peak at 530 mV (vs. SCE). The proposed method exhibits good linearity over the range from 1.0 x 10(-9) mol L-1 to 1.0 x 10(-7) mol L-1, and a low detection limit of 6.0 x 10(-10) mol L-1 for 120 s accumulation was obtained under optimum conditions.
引用
收藏
页码：1521 / 1535
页数：15
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