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比較固相萃取法、固相微萃取法及分散式液液微萃取結合氣相層析儀偵測水質中多...

國立高雄大學應用化學系碩士班

比較固相萃取法、固相微萃取法及分散式液液微萃取結合氣相層析儀偵測水質中多種類型農藥 = Comparison of Solid Phase Extraction, Solid Phase Microextraction and Dispersive Liquid-Liquid Microextraction Coupledto Gas Chromatography to Determine Multiclass Pesticides in Water

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Comparison of Solid Phase Extraction, Solid Phase Microextraction and Dispersive Liquid-Liquid Microextraction Coupledto Gas Chromatography to Determine Multiclass Pesticides in Water
作者:	楊晴茹,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2014[民103]
面頁冊數:	103面圖，表 : 30公分;
標題:	氣相層析儀
標題:	Gas chromatography
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/98860004505775392077
附註:	參考書目：面89-94
附註:	103年12月16日公開
摘要註:	本研究利用固相萃取法、固相微萃取法及分散式液相液相微萃取，進行飲用水、自來水及池水中農藥的偵測。研究中，探討不同萃取方法對多種類型農藥萃取之比較，其中，固相微萃取是將離子液體及還原氧化石墨烯之複合材料作為同種的萃取纖維材料。在固相萃取中，先將萃取條件進行優化，再透過定量，得知其偵測極限於2.4-6.6 ng/mL；回收率在88.4-110%之間。接著探討同樣以固相為基礎，但能有效減少有機溶劑使用的固相微萃取，並使用離子液體與還原氧化石墨烯之萃取纖維，應用於多種類型農藥之萃取。優化完萃取參數後，偵測極限為21-114 ng/mL；回收率介於85.6-111%間。最後，再利用空氣輔助的物理性乳化方式，進行分散液液微萃取實驗，以評估液相的微萃取法對於不同種類農藥之萃取。實驗結果得知: 其偵測極限範圍在6.0-29 ng/mL；回收率於88.2-113%之間。結果顯示這些萃取方法的回收率為可接受範圍，其相對標準偏差皆小於13%，有良好再現性。其中，固相及液相的微萃取技術大幅降低了有機溶劑的消耗，且操作簡單、成本低廉，但對於多種類農藥之萃取，應用層面仍有改善空間。 The purpose of this study is to compare with traditional solid phase extraction (SPE), solid phase microextraction (SPME), and dispersive liquid-liquidmicroextraction(DLLME), to detected the pesticides in drinking water, tap water and pond water. In this work, to investigate the comparison of different extraction methods to multiclass pesticides, and evaluated the application. In SPE experiments, it would be optimized the extraction conditions first, and then doing the quantitation. The results shownthe limit of detections (LODs) were within 2.4-6.6 ng/mL, and recovery from 90.0 to 108%. The next is SPME method, the fiber was modified with ionic liquid (IL) and reduced graphene oxide (RGO). The IL and RGO fiber were first applied to extraction of pesticides. The LODs between 21 to 114 ng/mL, and recoveries fell within88.7-110%. Finally, we also use the DLLME based on air-assisted emulsification methods, which was called air-assisted liquid-liquid microextraction (AALLME) to evaluate the extraction efficiency. The LODs from 6.0 to 29 ng/mL, and recovery were in range 88.3-103%.The results demonstrated these extraction methods of multiclass pesticides were stable and acceptable, but the microextraction applied to multiclass pesticides still need to improve more.

比較固相萃取法、固相微萃取法及分散式液液微萃取結合氣相層析儀偵測水質中多種類型農藥 = Comparison of Solid Phase Extraction, Solid Phase Microextraction and Dispersive Liquid-Liquid Microextraction Coupledto Gas Chromatography to Determine Multiclass Pesticides in Water
楊, 晴茹

比較固相萃取法、固相微萃取法及分散式液液微萃取結合氣相層析儀偵測水質中多種類型農藥 = Comparison of Solid Phase Extraction, Solid Phase Microextraction and Dispersive Liquid-Liquid Microextraction Coupledto Gas Chromatography to Determine Multiclass Pesticides in Water / 楊晴茹撰 - [高雄市] : 撰者, 2014[民103]. - 103面 ; 圖，表 ; 30公分.
參考書目：面89-94103年12月16日公開.
氣相層析儀Gas chromatography

比較固相萃取法、固相微萃取法及分散式液液微萃取結合氣相層析儀偵測水質中多種類型農藥 = Comparison of Solid Phase Extraction, Solid Phase Microextraction and Dispersive Liquid-Liquid Microextraction Coupledto Gas Chromatography to Determine Multiclass Pesticides in Water
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