HPLC determination of trimethoprim in meat and milk with an SPE preseparation procedure

被引:4
作者
Brandsteterova, E [1 ]
Kubalec, P [1 ]
Machackova, L [1 ]
机构
[1] INST VET HGY & ECOL, TRNAVA, SLOVAKIA
来源
ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG A-FOOD RESEARCH AND TECHNOLOGY | 1997年 / 204卷 / 05期
关键词
HPLC; SPE; food samples; trimethoprim;
D O I
10.1007/s002170050087
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
An HPLC method in combination with solid-phase extraction and dual wavelength detection has been developed in order to monitor trimethoprim residues in meat and milk. The extraction recoveries for the maximal residual limit concentration in food (50 ng/g) were 86 +/- 5% for meat and 73 +/- 6% for milk samples, The limits of determination of trimethoprim were 5 ng/g at 229 nm and about 15 ng/g at 280 nm. The method has been developed in response to specific needs of food control laboratories. This publication introduces the assay for milk and meat samples.
引用
收藏
页码:341 / 344
页数:4
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