A Comparison of Variously Modified Carbon Paste Electrodes for Determination of Rutin

被引：0
|
作者：
Macikova, Pavla [1 ]
Skopalova, Jana [1 ]
机构：
[1] Palacky Univ, Fac Sci, Dept Analyt Chem, Olomouc 77146, Czech Republic
来源：
MODERN ELECTROCHEMICAL METHODS XXX | 2010年
关键词：
Ionic liquid; Methylimidazolium; Bis(trifluoromethylsulfonyl)imide; Iron phthalocyanine; Carbon paste electrode; Rutin; Voltammetry; Electrochemistry; Buckwheat; IONIC LIQUID; ELECTROCHEMICAL-BEHAVIOR; OXIDATION; SENSORS;
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Carbon paste electrodes (CPEs) modified by iron phthalocyanine (IP/CPE) and a ionic liquid 1-hexyl-3-methylimidazolium-bis(trifluoromethylsulfonyl) imide (IL/CPE) and an unmodified CPE were investigated and compared in rutin solution by voltammetric techniques. IL/CPE had the widest usable potential window 2.5 V and the highest current response. IP/CPE had the lowest limit of detection (LOD) 80 nmol/L by differential pulse voltammetry. IL/CPE had the lowest LOD 5 nmol/L by differential pulse adsorptive stripping voltammetry. Rutin was detected and quantified in boiling water extract and Soxhleth extract of buckwheat seeds using all three electrodes.
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页码：101 / 105
页数：5
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