Liquid Chromatographic Determination of 5-(Methylamino)-2-Phenyl-4-[3-(Trifluoromethyl)phenyl]-3-(2H)-Furanone in Soil
Keyword(s):
Abstract A rapid, sensitive method is described for the determination of5-(methylamlno)-2-phenyl-4-[3-(trlfluoromethyl)phenyl]-3- (2M)-furanone (RE-40885) concentrations in 3 soil types. The method consists of extraction of soil samples with methanol, filtration, liquid chromatographic separation of methanolsoluble components using a C18 column, and UV detection at 275 nm. Recoveries were 94, 96, and 94% from the Greenville, Cecil, and Dothan soils, respectively. Average relative standard deviation was 8.0% in the Greenville soil. The qualitative limit of detection was 20 ppb and the limit of quantitation was 40 ppb in 25 g soil samples.
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