摘要
确立了一种新的测定煤气中萘的方法。用注射器直接取煤气样，用四氯化碳作吸收剂，吸收液中定量加入内标物正十六烷，以丁二酸乙二醇聚酯作固定液对吸收液进行色谱分离，用保留时间定性及内标法进行定量分析。与原有测定方法相比，分析时间从 １～２ ｈ缩短至 １０～２０ ｍｉｎ，具有取样量少，操作简便，结果准确的优点。
An improved gas chromatographic method for the determination of naphthalene in gas was described. The gas sample was got by injector and was absorbed with tetrachloromethane. Naphthalene was detected by retention time and its concentration was determined by internal standard method. Analytical time is decreased from 1 ~ 2 h to 10 ~ 20 min.
关键词
气相色谱
煤气
萘
测定
gas chromatography
gas
naphthalene
