| 气相色谱法测定空气中三氯乙烯和四氯乙烯 |
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| 引用本文： | 杜 宏,孔玉梅,王 平,杜广玉.气相色谱法测定空气中三氯乙烯和四氯乙烯[J].环境监测管理与技术,2000,12(6):33-34. |
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| 作者姓名： | 杜 宏 孔玉梅 王 平 杜广玉 |
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| 作者单位： | 大连市环境监测中心,辽宁大连 |
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| 摘 要： | 应用气相色谱法以５％ＰＥＧ－６０００为固定液、６２０１为担体填充柱分离，电子捕获检测器检测，直接进样测定环境空气中三氯乙烯和四氯乙烯。对０．０２９ｍｇ／ｍ＾３四氯乙烯标准样作重复５次测定，其相对标准差分别为５．７％和１．５％，并在实际样品中进行加标回收试验，回收率三氯乙烯在９０％～１１０％、四氯乙烯在９４％～１０８％之间。检测限分别为０．００６ｍｇ／ｍ＾３和０．０００５ｍｇ／ｍ＾３，完全能满足环境
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| 关 键 词： | 气相色谱 三氯乙烯 四氯乙烯 空气 测定 |
To Determine Trichloroethylene and Tetrachloroethylenein Air by Gas Chromatography |
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| DU Hong,KONG Yu-mei,WANG Ping,DU Guang-yu.To Determine Trichloroethylene and Tetrachloroethylenein Air by Gas Chromatography[J].The Administration and Technique of Environmental Monitoring,2000,12(6):33-34. |
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| Authors: | DU Hong KONG Yu-mei WANG Ping DU Guang-yu |
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| Abstract: | Trichloroethylene andtetrachloroethylenein environmentalair w ere determined directly by gaschromatography, withtaking 5% PEG- 6000 asfixedliquid and 6201ascarrier,thentoisolatebystuffingcolumn andto detectby electroncapture detector. T hestandardsamplesof0.029 mg/ m 3 trichloroethylene and 0.056 mg/m 3 tetrachloroethylene weretitrated fivetimes repeatedly. Theirrelativestandard deviations were 5.7% and 1.5% respectively.Insampling analysisforthe practicalsamples, therecoveryrateoftrichloroethylenewas90% ~ 110%,tetrachloroethylenew as94% ~ 108%.Theirdetectionlimitsw ere0. 006 mg/ m 3 and 0.000 5 mg/ m 3 , w eresuitableforthe needofenvironmentalair . s monitoring. |
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| Keywords: | Gas chromatography Air Trichlo roethylene TetrachloroethyleD |
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