UNSPECIFIED. (2004) Characterization and assessment of the microjet electrode as a detector for HPLC. ELECTROANALYSIS, 16 (9). pp. 712-718. ISSN 1040-0397

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Abstract

The microjet electrode (MJE) is characterized as a detector for high performance liquid chromatography (HPLC). Voltammetric measurements of the oxidation of hydroquinone (HQ) allow mass transport to be determined for the MJE detector configuration, and the factors controlling the conversion efficiency of the device to be well understood. The current-time response to the flow injection analysis of volumes of solution in the 10- 80 muL range has been established, and the limit of detection of this method has been determined. The latter was found to approach that of UV absorbance measurements, which is particularly encouraging, given that HQ has a relatively strong chromophore (epsilon = 2290.8 cm(-1) mol(-3) L). This detection system is a robust and simple arrangement with the capability of analyzing large volumes of eluent at typical analytical HPLC flow rates.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Journal or Publication Title:	ELECTROANALYSIS
Publisher:	WILEY-V C H VERLAG GMBH
ISSN:	1040-0397
Date:	May 2004
Volume:	16
Number:	9
Number of Pages:	7
Page Range:	pp. 712-718
Identification Number:	10.1002/elan.200302866
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/8402

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