Poly (benzoguanamine) modified sensor for catechol in presence of hydroquinone: A voltammetric study

被引：40
|
作者：
Chetankumar, K. [1 ]
Swamy, B. E. Kumara [1 ]
Sharma, S. C. [2 ,3 ]
机构：
[1] Kuvempu Univ, Dept PG Studies & Res Ind Chem, Shivamogga D 577451, Karnataka, India
[2] Natl Assessment & Accreditat Council, Bangalore 560069, Karnataka, India
[3] Jain Univ, Bangalore 560069, Karnataka, India
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2019年 / 849卷
关键词：
Cyclic voltammetry; Benzoguanamine; Electropolymerization; Catechol; Hydroquinone; CARBON-PASTE ELECTRODE; COMPOSITE FILM; ASCORBIC-ACID; GRAPHENE; DOPAMINE; OXIDE; WATER; ACETAMINOPHEN; SENSITIVITY; PERFORMANCE;
D O I：
10.1016/j.jelechem.2019.113365
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple and highly selective electrochemical method for the determination of catechol (CC) and hydroquinone (HQ) was developed on carbon paste electrode modified with electropolymerized thin films of benzoguanamine by using cyclic voltammetry. The effects of pH, scan rate, and concentration were carried out electrochemically. The proposed sensor exhibit adsorption controlled process and good limit of detection for CC (2.55 mu M) and HQ (3.84 mu M) were found. The interference study demonstrates the modified electrode exhibits good selectivity and sensitivity. The analytical performance of this modified electrode has been evaluated for detection of CC and HQ in tap water sample as real sample. (C) 2019 Elsevier B.V. All rights reserved.
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页数：8
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