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Capacitance-conductance detector for high-pressure liquid chromatography. Application to alkaloids and fatty acids

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Summary

A new type of detector for high-pressure liquid chromatography has been designed. This detector is equipped with a RC resonance circuit, and is similar to the capacitance detector previously reported. It is operated as a capacitance detector with nonpolar eluents; while with polar solvents, it behaves as a conductance detector. Electrolytes such as salts, acids and bases are sensitively detected. The detector was successfully used for the detection of fatty acids and alkaloids.

Zusammenfassung

Ein neuartiger Detektor für die Hochdruck-Flüssigchromatographie wurde entwickelt. Dieser ist mit einem Resonanzstromkreis ausgestattet und ähnelt dem kürzlich beschriebenen Kapazitanz-Detektor. Als solcher funktioniert er mit nichtpolaren Eluenten, während er sich mit polaren Lösungsmitteln wie ein Leitfähigkeitsdetektor verhält. Salze, Säuren und Basen werden empfindlich nachgewiesen. Das Gerät wurde zum Nachweis von Fettsäuren und Alkaloiden verwendet.

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Hashimoto, Y., Moriyasu, M., Kato, E. et al. Capacitance-conductance detector for high-pressure liquid chromatography. Application to alkaloids and fatty acids. Mikrochim Acta 70, 159–167 (1978). https://doi.org/10.1007/BF01196477

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  • DOI: https://doi.org/10.1007/BF01196477

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