Application of Integrated HPLC System to Environmental Analysis of Phenols
碩士 === 輔仁大學 === 化學學系 === 81 === U.S. EPA 之標準方法 604 係分析水樣中之酚類污染物, 8040 則係分析 土壤中之酚類污染物;兩方法都使用二氯甲烷作為萃取劑。但在實際操作 時,兩相之間會因乳化現象而分離不易,而後續之減壓濃縮步驟也會導致 揮發性酚類化合物之逸失。本文係利用酚類在鹼性條件下的親水性,以正 己烷將有機雜質從 pH ≧ 11 的水溶液中萃取出。將 pH 調至 3.8附近後...
Main Authors: | Jeng, Hung-Hong, 鄭惠紅 |
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Other Authors: | Cheng, Show-Chuen |
Format: | Others |
Language: | zh-TW |
Online Access: | http://ndltd.ncl.edu.tw/handle/32745287742457671831 |
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