Determination of pyrazon residues in water by reversed phase high performance liquid chromatography.
作者信息
Ahmad I
出版信息
J Environ Sci Health B. 1982;17(3):253-63. doi: 10.1080/03601238209372317.
PMID:7096900
Abstract
A simple analytical method is described for the quantitative determination of pyrazon residues in water. It involves high performance liquid chromatography with ultraviolet detection at 270 nm. The procedure is used to determine 2 ppb to 1 ppm levels of pyrazon in water. The traditional liquid-liquid extraction method has been replaced by an adsorption-trapping method for the extraction of pyrazon. Average recovery of pyrazon from the laboratory spiked samples was 98.1%. The method can be used for water samples with concentrations as low as 2 ppb.
摘要
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