2018
DOI: 10.1515/teme-2018-0032
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Ein neues Detektorkonzept für die Flüssigchromatographie basierend auf einem Split-Ring-Resonator / A new detector concept for liquid chromatography based on a split-ring resonator

Abstract: Zusammenfassung In der Flüssigchromatographie sind optische Detektoren weit verbreitet. Einige Substanzen, deren optische Eigenschaften kaum von denen der mobilen Phase abweichen, können von diesen Detektoren jedoch nicht erfasst werden. In dieser Arbeit wird daher ein einfaches elektromagnetisches Detektorprinzip basierend auf einem Split-Ring-Resonator vorgestellt, das die dieletrischen Eigenschaften von Substanzen in der mobilen Phase auswertet. Allererste Messungen mit verschiedenen Testsubstanzen best… Show more

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Cited by 4 publications
(3 citation statements)
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“…Electronics 2022, 11, 1139 2 of 14 LC detectors require fast response times of 1 s or less to resolve fast peaks eluting from the LC column [15]. Therefore, this work concentrates on the development of a fast readout method for SRR [16][17][18].…”
Section: Introductionmentioning
confidence: 99%
“…Electronics 2022, 11, 1139 2 of 14 LC detectors require fast response times of 1 s or less to resolve fast peaks eluting from the LC column [15]. Therefore, this work concentrates on the development of a fast readout method for SRR [16][17][18].…”
Section: Introductionmentioning
confidence: 99%
“…However, a frequency sweep with high frequency resolution to accurately determine the resonance frequency and attenuation at resonance frequency can take several seconds or even minutes. For this reason, besides costs, it is not practical to use a network analyzer for measuring rapidly changing sample properties at the split capacitance, i.e., as a detector in liquid chromatography (LC) [7,8]. In this case, the SRR may combine measurement of sample permittivity and conductivity in a single detector.…”
Section: Introductionmentioning
confidence: 99%
“…Gehl et. al introduced a first split-ring resonator as a possible detector for liquid chromatography [4].…”
Section: Introductionmentioning
confidence: 99%