HPLC Study of Mancozeb Degradation on Leaves
- 1 April 1993
- journal article
- research article
- Published by Taylor & Francis in Journal of Liquid Chromatography
- Vol. 16 (5) , 1015-1022
- https://doi.org/10.1080/10826079308019568
Abstract
An HPLC procedure was developed for the determination of mancozeb on cucumber leaves after application of mancozeb suspension (ethylenebisdithiocarbamate fungicide). The analytical procedure consisted of a single extraction step with EDTA aqueous solution and sodium salt of ethylenebisdithiocarbamate was eluated from Separon NH2 column. Mobile phase was 5 % aceto-nitrile and 45 % methanol in aqueous solution of borate buffer at pH = 7.6. The level of mancozeb after application on leaves decreased slowly, with a half time 14 days.Keywords
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