The Application of Alumina for Electroanalytical Determination of Gallic Acid

被引：10

作者：

Novakovic, Tatjana B. ^{[1
]}

Pavlovic, Stefan M. ^{[1
]}

Pagnacco, Maja C. ^{[1
]}

Bankovic, Predrag T. ^{[1
]}

Mojovic, Zorica D. ^{[1
]}

机构：

[1] Univ Belgrade, Inst Chem Technol & Met, Dept Catalysis & Chem Engn, Njegoseva 12, Belgrade 11000, Serbia

来源：

ELECTROCATALYSIS | 2023年 / 14卷 / 01期

关键词：

Alumina; X-ray diffraction; Infrared spectroscopy; Sensors; Wine; VOLTAMMETRIC DETERMINATION; ELECTROCATALYTIC OXIDATION; ANTIOXIDANT CAPACITY; CARBON NANOTUBES; ELECTRODE; SURFACE; SENSOR; WINE; GRAPHITE; COMPLEX;

D O I：

10.1007/s12678-022-00770-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel and simple electrochemical sensor for the determination of gallic acid is presented. The alumina sample was characterized by X-ray diffraction, FTIR, and particle size distribution analysis. The carbon paste electrode was modified with alumina and used as a sensor. The performances of the sensor were assessed by cyclic voltammetry and square-wave voltammetry techniques. The oxidation of gallic acid on alumina-modified carbon paste electrode was an irreversible diffusion-controlled process. The linear relationship of peak current and concentration was obtained for the concentration range of 1.4 to 115 mu M with the limit of detection of 0.8 mu M. The sensor's ability to test gallic aid in real systems was successfully tested in wine samples.

引用

页码：18 / 28

页数：11

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