Journal
FOOD ANALYTICAL METHODS
Volume 9, Issue 2, Pages 500-504Publisher
SPRINGER
DOI: 10.1007/s12161-015-0221-8
Keywords
MnO2 nanoparticles; Glassy carbon paste electrode; Ascorbic acid; Fruit juice
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In this study, manganese(IV) oxide (MnO2) nanoparticle (np)-modified glassy carbon paste electrode is used for ascorbic acid (AA) detection in fruit juice samples. The experimental parameters like MnO2 np amount and pH were optimized by using modified full factorial design model. By means of this model, the number of experiments has been reduced. Under optimal conditions, the linear range for AA was obtained between 2.64 x 10(-6) and -1.5 x 10(-3) M. Limit of detection (LOD) (3 s/m) and relative standard deviation (RSD) were calculated as 8 x 10(-7) M and 4.56 %, respectively. Developed sensor was applied to AA detection in fruit juice samples.
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