Simultaneous Determination of Gallic Acid and Folic Acid in Fruit Juice Samples Using Square Wave Voltammetry at Electrochemically Pretreated Carbon Paste Electrode

被引：5
作者：
Tesfaye, Gizaw [1 ]
Negash, Negussie [1 ]
Hailu, Tesfu [2 ]
Tessema, Merid [1 ]
机构：
[1] Addis Ababa Univ, Dept Chem, POB 1176, Addis Ababa 1176, Ethiopia
[2] Addis Ababa Sci & Technol Univ, POB 16417, Addis Ababa 16417, Ethiopia
来源：
ELECTROANALYSIS | 2022年 / 34卷 / 06期
关键词：
Gallic acid; folic acid; electrochemical pretreatment; square wave voltammetry; fruit juice; electrocatalytic activity; GOLD NANOPARTICLES; URIC-ACID; ASCORBIC-ACID; SENSOR; DOPAMINE; FOOD;
D O I：
10.1002/elan.202100645
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An efficient sensor was developed for the simultaneous determination of gallic and folic acid in juice samples using an electrochemically pretreated carbon paste electrode. The electrode was characterized by CV and EIS. The electrochemical behavior of GA and FA was evaluated by CV and SWV. The electrode exhibited high electrocatalytic activity towards GA and FA due to high surface area. Under the optimized condition, linear plots in the ranges of 0.08-13 mu M and 0.1 to 15 mu M were obtained for GA and FA, respectively. The proposed method was successful for the simultaneous determination of GA and FA in juice samples with satisfactory recovery.
引用
收藏
页码：1054 / 1064
页数：11
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