期刊
CHROMATOGRAPHIA
卷 73, 期 7-8, 页码 813-816出版社
VIEWEG
DOI: 10.1007/s10337-011-1940-7
关键词
Column liquid chromatography; PPL cartridge; Drinking water; Phenylurea herbicides; Pyrimidinylsulfonylurea herbicides; Triazinylsulfonylurea herbicides
A liquid chromatographic method (LC) with diode array detection (DAD) for the routine screening and quantification of highly applicated polar herbicides in drinking water samples was developed. The investigated herbicides consisted of 12 sulfonylurea herbicides (amidosulfuron, flazasulfuron, foramsulfuron, iodosulfuron-methyl Na, mesosulfuron-methyl, metsulfuron-methyl, nicosulfuron, prosulfuron, thifensulfuron-methyl, triasulfuron and tritosulfuron) together with 6 polar pesticides of relevance (atrazine, desethylatrazine, desisopropylatrazine, chlortoluron, diuron, fluoxypyr). The herbicides were extracted and concentrated by off-line solid-phase extraction and subsequently eluates were analyzed by LC-DAD. Recoveries obtained from fortified water samples at 100 ng L(-1) were in the range of 84-107% with RSD's < 20%. The limit of detection varied from 2 to 16 ng L(-1).
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