臺灣博碩士論文加值系統

紅外光感測器可以方便、迅速的偵測水中有機物的，並提供豐富之分析物結構資訊。本研究利用ATR (Attenuated Total Reflection )原理與固相微量萃取法結合研製成紅外光感測元件，用以檢測水溶液中的六種氯化苯胺類的化合物。苯胺類化合物是屬於及不可忽視的一種致癌性物質,它的來源不僅在於工廠排放、家庭排放及農藥的使用，也出現在製程中的中間產物都有的其成分，而檢測的目的是為了讓人們去避免與預防，也許少量不足以察覺，但久而久之將對人有無法挽救的傷害。四種覆膜材質包括聚苯乙烯( PS , Polystyrene )、聚苯乙烯衍生長烷基、聚苯乙烯衍生具-OH官能基之長烷基、Polyisobutylene(PIB)，經溶解後覆膜在感測晶體上，形成SPME相，再以自行研製之樣品槽，測量水中之氯化苯胺。此種感測器之基本吸附性質，亦詳加探討: 包括SPME層之特性分析、吸附曲線、吸附敏度、離子效應、pH值效應以及感測之偵測極限與k值（Partition coefficient）。另外分佈係數在SPME中為十分重要之因子，經以兩種方式測量發現，聚苯乙烯衍生長烷基與聚苯乙烯衍生具-OH官能基之長烷基高分子，具有十分獨特之高吸附性，非常適合苯胺類化合物之檢測。本研究針對裝置改良、覆膜材質和有機樣品的萃取及其吸附效果加以探討，對於水溶液中的有機樣品進行萃取工作，進行SPME同時，在藉由ATR方式偵測得到我們所萃取到的有機樣品之IR光譜圖，然而判別樣品成分，而有效獲得我們偵測分析物的目的。

The combination of the principle of solid-phase micro-extraction (SPME) with infrared (IR) attenuated total reflection (ATR) provides sensitive method for detection of organic compounds in aqueous solutions. In this work, we employed four types of SPME phases to conjunction with IR/ATR method in detection of aromatic amines in aqueous solutions. These SPME phases include polystyrene, long alkyl chain attached, long-chain alcohol attached polystyrene, and polyisobutylene. Aromatic amines are important pollutants in environmental samples and can be found from various sources. Six chlorinated anilines were studied their basic properties in detection by SPME-IR/ATR method. These compounds include aniline, 4-chloroaniline, 2,4-dichloroaniline, 2,5-dichloroaniline, 3,4-dichloroaniline, and 3,5-dichloroaniline. Results indicated that long-chain alkyl attached polystyrene has the best adsorption properties compared to other polymers. Several parameters were investigated in this work including salt effect, pH, adsorption profiles, partition constants and linearity in detection. The general detection limit for this type of compounds can be lower then ppm.

中文摘要
英文摘要
誌謝
目錄
第一章 緒論
1-1. SPME原理與簡介
1-2. IR/ATR原理與簡介
1-3. 檢測樣品的介紹
第二章 實驗裝置與SPME之固相簡介
2-1. 自行研發裝置及其目的
2-2. 衍生固相之設計概念
第三章 實驗部份
3-1. 衍生方法原理與實驗步驟
3-2. 樣品的指標分析
3-3. 實驗操作技巧與說明
第四章 結果與討論
4-1. 衍生聚合物之性質測定
4-2. UV檢測苯胺類樣品之吸附結果
4-3. IR/ATR方式檢測苯胺類樣品之吸附結果
4-4. 鹽類效應
4-5. pH值效應
4-6. Partition coefficient
4-7. 標準曲線
第五章 結論
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