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Ion Chromatography Detector Based on Solid-State Ion-Selective Electrode Array

Ion Chromatography Detector Based on Solid-State Ion-Selective Electrode Array

D K Lee, H J Lee, G S Cha, H Nam, K J Paeng

J Chromatogr A. 2000 Dec 15;902(2):337-43.

PMID: 11192166

Abstract:

A variety of neutral carrier type ionophores for monovalent cations were employed to prepare solid-state cation-selective electrodes (SSEs) for use as a detector in single-column ion chromatography (IC). The polyurethane-based pseudoreference electrode made it possible to assemble an array type SSE detector for IC. An SSE-based detector provides not only the overall chromatogram for the separated ion species (monensin methyl ester-nonactin-based membrane), but also the enhanced chromatogram for specified ions of interest (valinomycin as K+ and nonactin for NH4+). This feature makes it possible to perform highly quantitative analysis with low detection limits even if the separation efficiency of the ion-exchange is not sufficient. Since SSE-based IC detectors are easily miniaturized and replaceable at low cost, they are an ideal component of a portable IC system.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP28636217	Monensin methyl ester		28636-21-7	Price

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