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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۲، شماره ۵، صفحات ۱۳۸۸-۱۳۹۷
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عنوان انگلیسی Voltammetric Simultaneous Determination of Ascorbic Acid and Acetaminophen Based on Graphite Screen Printed Electrode Modified with a La3+-Doped ZnO Nanoflowers
چکیده انگلیسی مقاله In this work, an easy method was employed to successfully develop La3+-doped ZnO nanoflowers and Guar-Gum (GG) modified screen printed electrode (La3+/ZnO/GG/SPE), and La3+/ZnO/GG/SPE was applied for the electrochemical detection of Ascorbic Acid (AA). The electrochemical methods, such as Cyclic Voltammetry (CV), chronoamperometry (CHA), and Differential Pulse Voltammetry (DPV) were used to evaluate the electrochemical performances toward ascorbic acid on the La3+/ZnO/GG/SPE. Good linear-ship was observed for ascorbic acid in the ranges of 1.0–700.0 µM, with the detection limits of 0.03 µM. Moreover, this sensor proved favorable to simultaneously determine ascorbic acid and acetaminophen. Finally, the modified electrode has fairly good performance during the employment of real sample analysis to determine the content of ascorbic acid. These results indicate that the La3+-doped ZnO nanoflowers are supposed to be a promising material in the electrochemical determination of ascorbic acid and acetaminophen in real samples.
کلیدواژه‌های انگلیسی مقاله Ascorbic acid,Acetaminophen,La3+/ZnO nanoflowers,Graphite screen printed electrode,Voltammetry
نویسندگان مقاله Rasoul Rezaei |
Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, I.R. IRAN

Mohammad Mehdi Foroughi |
Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, I.R. IRAN

Hadi Beitollahi |
Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, I.R. IRAN

Shohreh Jahani |
NanoBioElectrochemistry Research Center, Bam University of Medical Sciences, Bam, I.R. IRAN

Somayeh Tajik |
NanoBioElectrochemistry Research Center, Bam University of Medical Sciences, Bam, I.R. IRAN

نشانی اینترنتی https://ijcce.ac.ir/article_240860_7c213e25733656c3d17f1902a0d06e7f.pdf
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