High-performance liquid chromatographic determination of flumetsulam, a newly developed sulfonamide herbicide in soil

被引：11
|
作者：
Baskaran, S [1 ]
Lauren, DR [1 ]
Holland, PT [1 ]
机构：
[1] HORT & FOOD RES INST NEW ZEALAND LTD,RUAKURA RES CTR,HAMILTON,NEW ZEALAND
来源：
JOURNAL OF CHROMATOGRAPHY A | 1996年 / 746卷 / 01期
关键词：
soil; sample preparation; environmental analysis; flumetsulam; pesticides; sulfonamide;
D O I：
10.1016/0021-9673(96)00295-6
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
An analytical method is described for measuring residues of flumetsulam, [N-(2,6-difluorophenyl)-5-methyl[1,2,4]triazolo[1 ,5-a]pyrimidine-2-sulfonamide] in soil using high-performance liquid chromatography (HPLC). The soil is extracted with aqueous NaHCO3, and the extract solution acidified then passed through a C-18 solid-phase extraction (SPE) disc. The concentrated extract obtained is then cleaned up by gel permeation chromatography (GPC) on Bio-Beads SX-3 prior to analysis by reversed-phase HPLC with UV detection. A detection limit of 4 mu g/kg is obtained by this method which is suitable for routine residue decay trials.
引用
收藏
页码：25 / 30
页数：6
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