Electrochemical Behavior Study of Sodium Saccharin in an Aqueous Electrolyte Solution by a Nano-sensor, Using Cyclic Voltammetric Technique

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2021-01-01 DOI:10.4152/pea.202102071

M. Radhi, Y. K. A. Amir, A. Ibrahim

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引用次数: 2

Abstract

This study investigated one of the chemical compounds taken by diabetic patients as a replacement for natural sugar. Its aim was to identify the electrochemical properties of sodium saccharin in different electrolytes, using a nano-sensor. Sodium saccharine was studied by cyclic voltammetric technique, in different electrolytes, using a modified glassy carbon electrode (GCE) with carbon nanotubes (CNT) as working electrode (CNT/GCE). It was found that the redox current peaks of 0.01 mM sodium saccharine in 1 M Na2SO3 enhanced both redox peaks with the CNT electro-catalyst on the GCE surface. Different concentrations, pH and scan rates of sodium saccharine in Na2SO3 have been studied. Also, the nano sensor showed good reliability and stability towards the chemical compounds in the cyclic voltammetric cell. Other electrochemical parameters were determined, such as the potential peak separation (Epa-Epc≈100 mV), the current ratio (Ipa/Ipc≈1) of the redox peaks and the cathodic-anodic reaction rate. The diffusion coefficient value was determined at different scan rates.

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基于循环伏安法的纳米传感器研究糖精钠在水溶液中的电化学行为

本研究调查了糖尿病患者作为天然糖替代品的一种化合物。其目的是利用纳米传感器识别不同电解质中糖精钠的电化学性质。以碳纳米管(CNT)为工作电极的改性玻碳电极(GCE) (CNT/GCE)为研究对象，采用循环伏安法研究了糖精钠在不同电解质中的作用。结果表明，在1 M Na2SO3溶液中，糖精钠的氧化还原峰为0.01 mM，碳纳米管电催化剂对GCE表面的氧化还原峰均有增强作用。研究了糖精钠在Na2SO3中的不同浓度、pH和扫描速率。此外，纳米传感器对循环伏安电池中的化合物也表现出良好的可靠性和稳定性。测定了电位峰间距(Epa-Epc≈100 mV)、氧化还原峰电流比(Ipa/Ipc≈1)和阴极-阳极反应速率等电化学参数。测定了不同扫描速率下的扩散系数值。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.