{"title":"电化学法在Pd电极上测定异丙醇在碱性介质中的扩散系数","authors":"Dongyao Wang, Shengzhou Chen, Jianping Liu, Chang-Wei Xu","doi":"10.2174/1876505X01002010011","DOIUrl":null,"url":null,"abstract":"The diffusion coefficient of isopropanol in alkaline medium using electrochemical methods on Pd electrode has been studied by linear sweep voltammetry (LSV) with different sweep rate and chronoamperometry in 1.0 M KOH solution containing 1.0 M isopropanol. Isopropanol oxidation on the Pd electrode is an irreversible charge-transport process and controlled by a diffusion process. The diffusion coefficient of isopropanol on the Pd electrode is obtained as 1.01 10 -6 cm 2 s -1 using the LSV method and 1.06 10 -6 cm 2 s -1 using the chronoamperometry method. The average diffusion coefficient of isopropanol is 1.04 10 -6 cm 2 s -1 .","PeriodicalId":23074,"journal":{"name":"The Open Electrochemistry Journal","volume":"37 1","pages":"11-14"},"PeriodicalIF":0.0000,"publicationDate":"2010-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Determination of Diffusion Coefficient of Isopropanol in Alkaline Medium using Electrochemical Methods on Pd Electrode~!2009-12-09~!2010-02-20~!2010-06-09~!\",\"authors\":\"Dongyao Wang, Shengzhou Chen, Jianping Liu, Chang-Wei Xu\",\"doi\":\"10.2174/1876505X01002010011\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The diffusion coefficient of isopropanol in alkaline medium using electrochemical methods on Pd electrode has been studied by linear sweep voltammetry (LSV) with different sweep rate and chronoamperometry in 1.0 M KOH solution containing 1.0 M isopropanol. Isopropanol oxidation on the Pd electrode is an irreversible charge-transport process and controlled by a diffusion process. The diffusion coefficient of isopropanol on the Pd electrode is obtained as 1.01 10 -6 cm 2 s -1 using the LSV method and 1.06 10 -6 cm 2 s -1 using the chronoamperometry method. The average diffusion coefficient of isopropanol is 1.04 10 -6 cm 2 s -1 .\",\"PeriodicalId\":23074,\"journal\":{\"name\":\"The Open Electrochemistry Journal\",\"volume\":\"37 1\",\"pages\":\"11-14\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-07-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Open Electrochemistry Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2174/1876505X01002010011\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Open Electrochemistry Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2174/1876505X01002010011","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
摘要
在含1.0 M异丙醇的1.0 M KOH溶液中，采用不同扫描速率的线性扫描伏安法(LSV)研究了异丙醇在碱性介质中在Pd电极上的扩散系数。异丙醇在Pd电极上的氧化是一个不可逆的电荷输运过程，受扩散过程控制。异丙醇在Pd电极上的扩散系数分别为1.01 10 -6 cm 2 s -1 (LSV法)和1.06 10 -6 cm 2 s -1(计时电流法)。异丙醇的平均扩散系数为1.04 10 -6 cm 2 s -1。
Determination of Diffusion Coefficient of Isopropanol in Alkaline Medium using Electrochemical Methods on Pd Electrode~!2009-12-09~!2010-02-20~!2010-06-09~!
The diffusion coefficient of isopropanol in alkaline medium using electrochemical methods on Pd electrode has been studied by linear sweep voltammetry (LSV) with different sweep rate and chronoamperometry in 1.0 M KOH solution containing 1.0 M isopropanol. Isopropanol oxidation on the Pd electrode is an irreversible charge-transport process and controlled by a diffusion process. The diffusion coefficient of isopropanol on the Pd electrode is obtained as 1.01 10 -6 cm 2 s -1 using the LSV method and 1.06 10 -6 cm 2 s -1 using the chronoamperometry method. The average diffusion coefficient of isopropanol is 1.04 10 -6 cm 2 s -1 .
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