将样品放入顶空瓶中,用顶空-气相色谱法对汽车零部件及材料中的总有机挥发物碳排放总量进行检测,优化了顶空进样时间。该方法具有操作简单、提取效率高等优点。方法的加标回收率为89.2%~96.0%,测定结果的相对标准偏差为3.04%~5.16%(n=7)。
The samples were placed in the headspace bottle, and the total organic volatile carbon emissions were detected by HS-GC method. The time of HS sampling was optimized. The method has the advantages of simple operation and high efficiency . The recoveries were in the range of 89.2% - 96.0 %, with the relative standard deviation of 3.04%-5.16%(n=7).