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|Title:||Quantitative analysis of pesticides by capillary column high performance liquid chromatography combined with solid-phase extraction|
|Citation:||Liu, W., Lee, H.K. (1998-02). Quantitative analysis of pesticides by capillary column high performance liquid chromatography combined with solid-phase extraction. Talanta 45 (4) : 631-639. ScholarBank@NUS Repository. https://doi.org/10.1016/S0039-9140(97)00298-1|
|Abstract:||High performance liquid chromatography (HPLC) combined with solid-phase extraction was reported on, for simultaneous analysis of pesticides in this work. The separation of 12 pesticides was achieved on a C18 capillary column with gradient elution. Sub-microlitre injection volume of the samples and a U-shaped 35 nl flow cell were used to improve the separation and detection. In addition, the method used C18 solid-phase extraction disks to allow a 250-fold enrichment of the pesticides from fortified water and apple samples. The calculated detection limits range was 0.15-0.8 μg/l. Under the optimal extraction conditions, recoveries of 85-107% for most of the pesticides at 1.0-10.0 μg/l level, were obtained.|
|Appears in Collections:||Staff Publications|
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