Electrochemical Detection of Hydroquinone by Square Wave Voltammetry using a Zn Layered Hydroxide-Ferulate (ZLH-F) Modified MWCNT Paste Electrode

被引:10
作者
Ahmad, Mohamad Syahrizal [1 ,2 ]
Isa, Illyas Md [1 ,2 ]
Hashim, Norhayati [1 ,2 ]
Rosmi, Mohamad Saufi [1 ,2 ]
Mustafar, Suzaliza [1 ,2 ]
机构
[1] Sultan Idris Educ Univ, Fac Sci & Math, Dept Chem, Tanjong Malim 35900, Perak, Malaysia
[2] Sultan Idris Educ Univ, Fac Sci & Math, Nanotechnol Res Ctr, Tanjong Malim 35900, Perak, Malaysia
关键词
1,4-dihydroxybenzene; hydroquinone; multiwall carbon nanotubes; square wave voltammetry; GLASSY-CARBON ELECTRODE; STRIPPING VOLTAMMETRY; CATECHOL; COMPOSITE; SENSOR; ACID; CHROMATOGRAPHY; RESORCINOL; NANOTUBES; BIOSENSOR;
D O I
10.20964/2018.01.31
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
In this paper, a multiwall carbon nanotubes (MWCNT) paste electrode modified by a Zn layered hydroxide-ferulate (ZLH-F) was used for detection of hydroquinone (HQ). The morphology and characteristic of the ZLH-F/MWCNT was investigated by scanning electron microscope (SEM), transmission electron microscope (TEM) and square wave voltammetry (SWV). Under optimal conditions, the SWV response showed linear plot for HQ concentration in the range of 1.0x 10(-5) M 1.0 x 10(-3) M. The detection limit was found to be 5.7 x 10(-6) M and correlation coefficient of 0.9957. The glucose, fructose, sucrose, bisphenol A, acetaminophen, lysine, NO3-, Cl- and SO42- did not interfere the HQ response. This modified electrode can be used to determine HQ content in wastewater and cosmetic cream with range of recovery 97.8% - 103.0%.
引用
收藏
页码:373 / 383
页数:11
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