Estimation of Residues of Uracil Herbicides by Gas Chromatography After Evaporative Co-distillation
Open Access
- 1 May 1968
- journal article
- Published by Oxford University Press (OUP) in Journal of AOAC INTERNATIONAL
- Vol. 51 (3) , 688-690
- https://doi.org/10.1093/jaoac/51.3.688
Abstract
A gas chromatographic method has been developed for estimation of residues of uracil herbicides. The method involves sample extraction by blending with ethyl acetate, isolation of the herbicides by evaporative co-distillation, and electron affinity detection following chromatography on a Ucon Polar column. The procedure has been used to recover 0.04—0.4 ppm of bromacil added to soil and 0.5—1.0 ppm of terbacil added to alfalfa.Keywords
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