Electrochemical Behavior of Hydroquinone and Catechol at a Silsesquioxane-Modified Carbon Paste Electrode

被引：0
|
作者：
da Silva, Paulo S. [1 ]
Gasparini, Bianca C. [1 ]
Magosso, Herica A. [1 ]
Spinelli, Almir [1 ]
机构：
[1] Univ Fed Santa Catarina, Dept Quim, Grp Estudos Proc Eletroquim & Eletroanalit, BR-88040900 Florianopolis, SC, Brazil
来源：
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2013年 / 24卷 / 04期
关键词：
modified carbon paste electrode; silsesquioxane; dihydroxybenzenes; electroanalysis; ADSORPTION; SIO2/AL2O3; OXIDATION;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A carbon paste electrode modified with 3-n-propyl-4-picolinium chloride silsesquioxane polymer was tested as a sensor for dihydroxybenzene isomers. The sensor showed excellent performance for simultaneous electroanalytical determination of hydroquinone and catechol. The calibration curves obtained were linear in the concentration range of 10.0 to 450.0 mu mol L-1 for hydroquinone = 0.998) and 10.0 to 300.0 mu mol L-1 for catechol = 0.997). The visual limit of detection was 10.0 mu mol L-1 for both isomers.
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收藏
页码：695 / 699
页数：5
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