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气相色谱法测定液化石油气中的二甲醚
引用本文:冷中成,王强,郑渠,黄永伦.气相色谱法测定液化石油气中的二甲醚[J].广州化工,2012,40(18):85-86.
作者姓名:冷中成  王强  郑渠  黄永伦
作者单位:四川省达州质量技术监督检验测试中心,四川达州,635000
摘    要:建立了一种气相色谱法分析液化石油气中二甲醚的检测方法,运用聚苯乙烯-二乙烯基苯(PLOT-Q柱)毛细管柱分离,氢火焰离子化检测器检测,保留时间定性,标准曲线法定量。结果显示二甲醚线性关系和重现性良好,定量掺混检测数据吻合。该方法具有准确、快捷等优点,运用该方法分析了35份液化石油气样品,得到了满意的结果。

关 键 词:气相色谱法  液化石油气  二甲醚

Gas Chromatographic Determination of Dimethyl Ether in Liquefied Petroleum Gas
LENG Zhong-cheng,WANG Qiang,ZHENG Qu,HUANG Yong-lun.Gas Chromatographic Determination of Dimethyl Ether in Liquefied Petroleum Gas[J].GuangZhou Chemical Industry and Technology,2012,40(18):85-86.
Authors:LENG Zhong-cheng  WANG Qiang  ZHENG Qu  HUANG Yong-lun
Affiliation:LENG Zhong - cheng , WANG Qiang , ZHENG Qu , HUANG Yong - lun ( Institute of Supervision & Inspection on Product Quality, Sichuan Dazhou 635000, China)
Abstract:A gas chromatography analysis of liquefied petroleum gas in the detection of dimethyl ether (DME) was established : that separated by polystyrene - divinylbenzene ( PLOT - Q column) capillary column, detected by hydrogen flame ionization detector, qualitative use of retention time, and quantitative use of standard curve method. DME linear re- lationship and reproducibility were good, and quantitative data obtained from mixing test. The method was accurate, fast, ere, and using the method to analyze 35 samples of liquefied petroleum gas can get satisfactory results.
Keywords:gas chromatographic  liquefied petroleum gas  dimethyl ether
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