"Microextraction technology Development (2/4) – Extraction Metho
「"Microextraction technology Development (2/4) – Extraction Metho」於資料集「EPQSummary_EnvironmentalMonitoringAndTesting」由單位「行政院環境保護署」的陳先生所提供，聯繫電話是02-2311-7722#2386，最近更新時間為：2023-07-30 01:01:45。 欄位Project Title的內容是"Microextraction technology Development (2/4) – Extraction Method Development for Pesticides in Water" ， 欄位Project Subject的內容是"This project is to investigate the determination of 131 pesticides in water by microextraction technique. Two method including stir bar sorptive extraction (SBSE) and dispersive liquid–liquid microextraction (DLLME) were selected for evaluation.
For SBSE,The dual SBSE method showed good recovies. In this method, first stir bar was used for extraction 5 mL water sample, 30% NaCl was added when the extraction was completed. The second stir bar was added to the sample for second time extraction. These two stir bars were put into thermal desorption tube. The quantification was perfomed by thermal desorption-gas chromatography/mass spectrometer. . The result showed when using dual stir bars for extraction, there are good recoveries for 112 pesticides at 0.4 µg/ L and 0.1 µg/ L level. For DLLME, good recoveries were found when using toluene as extraction solvent and acetone as dispersive solvent at 10 µg/ L level for 125 pescitides. There are rare pesticides can be found at 1µg/ L.
The real samples from the Tainan Erhjen River and Kaohsiung Chengcing Lake, Fongshan Reservoir Lake were investigated in this studyr, the samples did not find these analytes, The spiking recoveries were well (>70%) for those 112 test compounds. The resulted showed that the SBSE method for pesticide extraction in water has the potential to become standard method." ， 欄位Project Year的內容是2014 ， 欄位Organizer的內容是"Environmental Analysis Laboratory" ， 欄位Executive Unit的內容是"嘉南藥理大學" ， 欄位Reporting download URL的內容是https://epq.epa.gov.tw/project/filedownload.aspx?fid=77565 ， 欄位Publish Date的內容是20150201 。
Project Title
"Microextraction technology Development (2/4) – Extraction Method Development for Pesticides in Water"
Project Subject
"This project is to investigate the determination of 131 pesticides in water by microextraction technique. Two method including stir bar sorptive extraction (SBSE) and dispersive liquid–liquid microextraction (DLLME) were selected for evaluation. For SBSE,The dual SBSE method showed good recovies. In this method, first stir bar was used for extraction 5 mL water sample, 30% NaCl was added when the extraction was completed. The second stir bar was added to the sample for second time extraction. These two stir bars were put into thermal desorption tube. The quantification was perfomed by thermal desorption-gas chromatography/mass spectrometer. . The result showed when using dual stir bars for extraction, there are good recoveries for 112 pesticides at 0.4 µg/ L and 0.1 µg/ L level. For DLLME, good recoveries were found when using toluene as extraction solvent and acetone as dispersive solvent at 10 µg/ L level for 125 pescitides. There are rare pesticides can be found at 1µg/ L. The real samples from the Tainan Erhjen River and Kaohsiung Chengcing Lake, Fongshan Reservoir Lake were investigated in this studyr, the samples did not find these analytes, The spiking recoveries were well (>70%) for those 112 test compounds. The resulted showed that the SBSE method for pesticide extraction in water has the potential to become standard method."
Project Year
2014
Organizer
"Environmental Analysis Laboratory"
Executive Unit
"嘉南藥理大學"
Reporting download URL
Publish Date
20150201
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