Separation and determination of pesticid
โ
Y. S. Wu; H. K. Lee; S. F. Y. Li
๐
Article
๐
1998
๐
John Wiley and Sons
๐
English
โ 107 KB
๐ 2 views
This article describes a new method for the determination of ultra trace levels of 12 N-methylcarbamates in drinking water via micellar electrokinetic ลฝ . chromatography MEKC . Two steps were employed to enhance the detection sensitivity. The sample was first preconcentrated by C bonded SPE cartridg