Please use this identifier to cite or link to this item:
https://scholarbank.nus.edu.sg/handle/10635/93542
Title: | Determination of chlorophenoxy acid herbicides by capillary electrophoresis with integrated potential gradient detection | Authors: | Qin, W. Li, S.F.Y. |
Keywords: | Capillary electrophoresis Chlorophenoxy acid herbicides Field-amplified sample stacking Potential gradient detection Solid-phase extraction |
Issue Date: | Jun-2003 | Citation: | Qin, W.,Li, S.F.Y. (2003-06). Determination of chlorophenoxy acid herbicides by capillary electrophoresis with integrated potential gradient detection. Electrophoresis 24 (12-13) : 2174-2179. ScholarBank@NUS Repository. | Abstract: | This report describes separation and detection of chlorophenoxy acid herbicides spiked in drinking water by the technique combining solid-phase extraction, field-amplified sample stacking, capillary electrophoresis, and potential gradient detection. The herbicide solution (400 mL) was concentrated to 0.1 mL by the solid-phase extraction procedure. The buffer containing 3 mM ammonia and 0.3 mM hydroxypropyl-β-cyclodextrin was adjusted to pH 9.0 with ammonia. The sample solution was injected into the capillary to 30% of the whole length, and -9 kV and 9 kV were employed for field-amplified sample stacking and separation, respectively. The herbicides were baseline separated and the detection limits with the above combined techniques were in the range of 1-4 × 10-2 ng/mL. | Source Title: | Electrophoresis | URI: | http://scholarbank.nus.edu.sg/handle/10635/93542 | ISSN: | 01730835 |
Appears in Collections: | Staff Publications |
Show full item record
Files in This Item:
There are no files associated with this item.
Google ScholarTM
Check
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.