Modification of Pt-Porous Composite Material (Pt-PCM) and Its Application for Electroanalysis of Uric Acid and Electrosynthesis of Acetic Acid from Ethanol

Q2 Pharmacology, Toxicology and Pharmaceutics Science and Technology Indonesia Pub Date : 2023-10-01 DOI:10.26554/sti.2023.8.4.554-559

Riyanto Riyanto, Nurhasanah Nurhasanah, Mohamed Rozali Othman

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Abstract

Research on the synthesis of Pt-Porous Composite Material (Pt-PCM) has been done. This material is used for the electrochemical activity of uric acid and electrochemical synthesis of acetic acid from ethanol. Pt-PCM is made by mixing 99.995% platinum powder and PVC or Poly (vinyl chloride) homogeneously with a homogenizer for 3.0 h, plus tetrahydrofuran solvent, and pressed with a strength of 10 tons/cm2. The material produced was analysis using Scanning Electron Microscopy (SEM), voltammetry potential V and Tafel plot. The material is used as an electrode for the determination of uric acid and the synthesis of acetic acid from ethanol. The results showed that Pt-PCM has evenly distributed pores and has a perfect Tafel slope compared to metal platinum or solid platinum. Pt-PCM also has the excellent ability as a working electrode for the analysis of uric acid in human urine and electro synthetic acetic acid from alcohol. In conclusion, Pt-Porous Composite Material (Pt-PCM) is a porous material, so it is excellent as a candidate for electrodes.

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pt -多孔复合材料(Pt-PCM)的改性及其在尿酸电分析和乙醇电合成乙酸中的应用

对pt多孔复合材料(Pt-PCM)的合成进行了研究。该材料用于尿酸的电化学活性和乙醇电化学合成乙酸。Pt-PCM是将99.995%的铂粉与PVC或聚氯乙烯在均质机上均匀混合3.0 h，加上四氢呋喃溶剂，以10吨/cm2的强度压制而成。用扫描电子显微镜(SEM)、伏安电位V和Tafel图对所得材料进行分析。该材料可用作测定尿酸和乙醇合成乙酸的电极。结果表明，与金属铂或固体铂相比，Pt-PCM孔隙分布均匀，具有较好的Tafel斜率;Pt-PCM作为一种工作电极，在分析人体尿液中的尿酸和酒精电合成乙酸方面也具有优异的能力。综上所述，pt -多孔复合材料(Pt-PCM)是一种多孔材料，是极好的电极候选材料。

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