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Determination of Ethyl Acetate and Butyl Acetate with Gas Chromatography Based on Activated Carbon Adsorption of Carbon Disulfide
Author(s): 
Pages: 140-143
Year: Issue:  9
Journal: Environmental Science and Management

Keyword:  ethyl acetatebutyl acetategas chromatographyactivated carbon adsorptionsolvent analysiswaste gas;
Abstract: 采用活性炭管吸附废气中的乙酸乙酯和乙酸丁酯,经二硫化碳萃取解析,使用DM-1色谱柱分离后FID检测.实验结果表明:(1)采用活性炭管吸附废气中的目标组份,富集效率良好,二硫化碳解析率可达92%以上;(2)当乙酸乙酯和乙酸丁酯的含量为6.8~102 ng时,测定结果的相对标准偏差分别在1.8% ~4.2%和3.2% ~6.1%之间(n=6);(3)当样品采集量为30 L时,方法检出限分别为0.02 mg·m-3和0.02 mg·m-3.因此,方法能满足实验对空气废气中的乙酸乙酯和乙酸丁酯的检测要求.
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