頁籤選單縮合
題 名 | Analysis of Dichlorobenzene in Water by Solid-phase Microextraction |
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作 者 | 劉雅萍; 何武雄; | 書刊名 | Journal of the Chinese Chemical Society |
卷 期 | 47:2 2000.04[民89.04] |
頁 次 | 頁415-420 |
分類號 | 349 |
關鍵詞 | Water analysis; Solid-phase microextraction; Dichlorobenzenes; |
語 文 | 英文(English) |
英文摘要 | The solid-phase microextraction (SPME) technique using a 100 �慆 film polydimethylsiloxane (PDMS) coated fiber has been examined with the aim to determine dichlorobenzene in aqueous samples. The feasibility of SPME-GC-ECD analysis has been evaluated. Absorption time of 30 min was selected and 1 min was long enough for complete desorption of the analytes in the injection port of the gas chromatograph. Linear ranges from 0.03 to 5 �慊/L and method detection limits between 7 and 9 ng/L for dichlorobenzenes were obtained. The relative standard deviations were less than 12% for a spiking level of 3 �慊/L. The proposed method was applied to determine dichlorobenzenes in spiked deionized water, ground water, and in industrial effluent samples. |
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