Electrochemical determination of uranyl ion using a graphene paste electrode

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Chehreghani Mohsen; NAJAFI MOSTAFA

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Journal: Applied Chemistry Today Year:2019 | Volume:14 | Issue:51 Page(s): 237-248

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Information Journal Paper

Title

Electrochemical determination of uranyl ion using a graphene paste electrode

Author(s)

Chehreghani Mohsen | NAJAFI MOSTAFA | Issue Writer Certificate

Keywords

Uranyl ionQ1

Electrochemical behaviorQ1

VoltammetryQ1

Graphene paste electrodeQ1

Abstract

Uranium is a radioactive and toxic element and commonly exists in the environment in the U(VI) and U(IV) oxidation states. The most stable chemical species in aqueous solution under oxic conditions is the Uranyl ion UO22+. In this research an electrochemcal sensor based on chemically reduced graphene oxide (RGO) for sensetive determination of UO22+ was prepared. The Electrochemical behavior and determination of Uranyl ion on surface of Graphene paste electrode in the potential range of-0. 8 to 0. 8 (v) was studied by cyclic and differential pulse voltammetery. The effects of various parameters such as pH and scan rate were investigated. The response of the sensor was found to be linear in the range of uranyl concentrations from 1. 0 to 600  M. The detection limit (S/N=3) is calculated 0. 7  M. A sensor shows a good repeatability (RSD of 0. 9% (n=6)). The sensor was successfully applied for determination of uranyl in water and soil samples.

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APA: Copy

Chehreghani, Mohsen, & NAJAFI, MOSTAFA. (2019). Electrochemical determination of uranyl ion using a graphene paste electrode. JOURNAL OF APPLIED CHEMISTRY, 14(51 ), 237-248. SID. https://sid.ir/paper/381442/en

Vancouver: Copy

Chehreghani Mohsen, NAJAFI MOSTAFA. Electrochemical determination of uranyl ion using a graphene paste electrode. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2019;14(51 ):237-248. Available from: https://sid.ir/paper/381442/en

IEEE: Copy

Mohsen Chehreghani, and MOSTAFA NAJAFI, “Electrochemical determination of uranyl ion using a graphene paste electrode,” JOURNAL OF APPLIED CHEMISTRY, vol. 14, no. 51 , pp. 237–248, 2019, [Online]. Available: https://sid.ir/paper/381442/en

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