Simultaneous determination of residues of paraquat and diquat in potatoes using high-performance capillary electrophoresis with a ultraviolet detection
作者： Yuk Y. Wigfield , Kathleen A. McCormack , Ralph. Grant
DOI: 10.1021/JF00036A018
关键词: Sonication 、 Capillary electrophoresis 、 Ultraviolet 、 Paraquat 、 Cartridge 、 Chromatography 、 Silica gel 、 Chemistry 、 Diquat 、 Electrophoresis
摘要: The potato samples are chopped into fine pieces and sonicated with HCl solution. After the mixture settles, herbicides isolated using a silica gel Sep-Pak cartridge. Following addition of an internal standard (N,N'-tetramethylene-2,2'-bipyridinium dibromide), extract is analyzed HPCE column UV detection at 200 nm
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