Simplified high-performance liquid chromatography method for the simultaneous analysis of tebuthiuron and hexazinone

A simplified, high-performance liquid chromatography (HPLC) method for the simultaneous measurement of the herbicides tebuthiuron and hexazinone was developed. Separation was achieved on a Nova-Pak® phenyl (4 μm) 10 x 0.8 cm column with methanol—water 50:50 v/v) as eluent and on-line detection at 25...

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Bibliographic Details
Published in:Journal of Chromatography A 1991, Vol.536 (1/2), p.223-228
Main Authors: Lydon, John, Engelke, Beatriz F., Helling, Charles S.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Amaranthus retroflexus
analytical methods
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
herbicide residues
hexazinone
high performance liquid chromatography
Methods and techniques. Experimental designs. Plant protection equipments
Phytopathology. Animal pests. Plant and forest protection
plant tissues
soil
tebuthiuron
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Summary:A simplified, high-performance liquid chromatography (HPLC) method for the simultaneous measurement of the herbicides tebuthiuron and hexazinone was developed. Separation was achieved on a Nova-Pak® phenyl (4 μm) 10 x 0.8 cm column with methanol—water 50:50 v/v) as eluent and on-line detection at 254 nm for tebuthiuron and 249 nm for hexazinone. At a flow-rate of 2.5 ml min −1, the retention times were approximately 4.5 and 6.3 min for tebuthiuron and hexazinone, respectively. The procedure was used successfully for the analysis of residues of these herbicides in soil and plant tissues. A comparison with published procedures for the individual analysis of tebuthiuron and hexazinone is presented.
ISSN:0021-9673
DOI:10.1016/S0021-9673(01)89253-0