{"title":"A Time Domain Reflectometer for Dielectric Relaxation Spectroscopy of Electrolyte Solutions","authors":"R. Buchner, J. Barthel","doi":"10.1002/bbpc.199700014","DOIUrl":null,"url":null,"abstract":"<p>A time domain reflectometer for dielectric relaxation spectroscopy of electrolyte solutions in the temperature range of −;45 ≤ ϑ /°C ≤ 90 is presented. With a set of cutoff cells differing in their cell constants, pure solvents covering the permittivity range of 7 ≤ ϵ ≤ 228 and their concentrated electrolyte solutions (κ > 1 Ω<sup>−1</sup> m<sup>−1</sup>) can be investigated at frequencies of 0.05 ≤ v/GHz ≤ 9. In combination with the transmission line system of our laboratory (8.5 ≤ v/GHz ≤ 89) dielectric dispersion, ϵ′(<i>v</i>), and total loss, η″(<i>v</i>) = <i>ϵ″</i>(<i>v</i>) + κ/(2π <i>vϵ</i><sub>0</sub>) can be determined with 2% accuracy relative to ϵ.</p>","PeriodicalId":100156,"journal":{"name":"Berichte der Bunsengesellschaft für physikalische Chemie","volume":"101 10","pages":"1509-1516"},"PeriodicalIF":0.0000,"publicationDate":"2014-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/bbpc.199700014","citationCount":"32","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Berichte der Bunsengesellschaft für physikalische Chemie","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/bbpc.199700014","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 32
Abstract
A time domain reflectometer for dielectric relaxation spectroscopy of electrolyte solutions in the temperature range of −;45 ≤ ϑ /°C ≤ 90 is presented. With a set of cutoff cells differing in their cell constants, pure solvents covering the permittivity range of 7 ≤ ϵ ≤ 228 and their concentrated electrolyte solutions (κ > 1 Ω−1 m−1) can be investigated at frequencies of 0.05 ≤ v/GHz ≤ 9. In combination with the transmission line system of our laboratory (8.5 ≤ v/GHz ≤ 89) dielectric dispersion, ϵ′(v), and total loss, η″(v) = ϵ″(v) + κ/(2π vϵ0) can be determined with 2% accuracy relative to ϵ.
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