Voltammetric determination of 4-nitrophenol using a modified carbon paste electrode based on a new synthetic crown ether/silver nanoparticles

被引：79
|
作者：
Rounaghi, Gholamhossein [1 ]
Kakhki, Roya Mohamadzadeh [1 ]
Azizi-Toupkanloo, Hossein [1 ]
机构：
[1] Ferdowsi Univ Mashhad, Dept Chem, Fac Sci, Mashhad, Iran
来源：
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS | 2012年 / 32卷 / 02期
关键词：
Carbon paste electrode; 4-nitrophenol,6:7,9,10,17,18,19,20,21,22-decahydrodibenzo [h,r] [1,4,7,11,15] trioxadiazacyclonanodecine-16,23-dione (DTD); Ag nanoparticle (AgNP); Voltammetry; ETHERS; SENSORS; SAMPLES; WATER;
D O I：
10.1016/j.msec.2011.10.014
中图分类号：
TB3 [工程材料学]; R318.08 [生物材料学];
学科分类号：
0805 ; 080501 ; 080502 ;
摘要：
A novel modified carbon-paste electrode (CPE) with a new synthetic ligand: 6,7,9,10,17,18,19, 20,21, 22-decahydrodibenzol [h,r][1,4,7,11,15]trioxadiazacyclonanodecine-16,23dione(DTD)/Ag nanoparticles (AgNP) was employed for 4-nitrophenol measurement in natural water. Various parameters such as pH, modifier, accumulation time and scan rate were optimized. The proposed electrode showed a good response towards 4nitrophenol determination. Under the optimized conditions the reduction peak current, showed a good linear relationship with the nitrophenol concentration in the range comprised between 1 x 10(-6) mol L-1 and 1 x 10 mol L-1. The developed electrode was successfully applied for the determination of 4-nitrophenol in water samples. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：172 / 177
页数：6
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