Adsorptive Stripping Voltammetry for Trace Determination of Quinalphos Employing Silicon Carbide Nanoparticles Modified Glassy Carbon Electrode

被引：9
|
作者：
Khare, Ninad G. [1 ]
Dar, Riyaz A. [1 ]
Srivastava, Ashwini K. [1 ]
机构：
[1] Univ Mumbai, Dept Chem, Bombay 400098, Maharashtra, India
来源：
ELECTROANALYSIS | 2015年 / 27卷 / 02期
关键词：
Quinalphos; Silicon carbide nanoparticles; Adsorptive stripping differential pulse voltammetry; Chronocoulometry; Environmental samples; Sensors; PASTE ELECTRODE; ORGANOPHOSPHORUS PESTICIDES; WATER SAMPLES; COMPOSITE; SENSOR; RATS; FENITROTHION; DEGRADATION; NANOTUBE; COMPLEX;
D O I：
10.1002/elan.201400500
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A silicon carbide nanoparticle-coated glassy carbon electrode (SiCNPs-GCE) was employed for electrochemical determination of Quinalphos (QNP) using different electroanalytical techniques. QNP showed an enhancement in the reduction peak current at SiCNPs modified GCE in pH 7.0 (BR Buffer). The peak current was found to be linear with the QNP concentration in the range from 6.69 x 10(-9) to 1.34 x 10(-6) M (r=0.995) with detection limit of 1.34 x 10(-9) M (S/N=3). The developed sensor (SiCNPs-GCE) was employed for QNP determination in tap water, lake water, soil, mango as well as in biological samples.
引用
收藏
页码：503 / 509
页数：7
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