%0 Journal Article %T 气相色谱-质谱法测定大气中98种挥发性有机物 %T Determination of 98 Volatile Organic Compounds in Atmosphere by GCMS %A 刘殿丽,王明刚,来艳春,赵文建,徐艳敏,王辉 %A LIU,Dianli,WANG,Minggang,LAI,Yanchun,ZHAO,Wenjian,XU,Yanmin,WANG,Hui %J 环境监控与预警 %@ 1674-6732 %V 7 %N 5 %D 2015 %P 34-36 %K 环境空气;色谱-质谱联用;可挥发性有机物 %K Ambient air; GC-MS; Volatile organic compounds %X 通过色谱-质谱联用法(简称GC-MS),利用低温冷阱技术对大气中的VOCs进行浓缩富集,然后经过加热解吸分别至毛细管色谱柱和FID检测器及MS检测器,对大气中98种挥发性有机化合物(VOCs)进行分离、定性、定量测定。方法检出限为0.008×10-9~0.100×10-9(V/V);线性相关系数的平方值为0.992 7~1,相对标准偏差为4.0%~20.2%,总体标准偏差为0.154 2~0.952 1。 %X A method was established for the determination of 98 volatile organic compounds (VOCs ) in atmosphere by GCMS.VOCs in atmosphere were concentrated using cold trap technology followed by thermal desorption into a capillary column for gas chromatography with FID detection and MS.The 98 VOCs were separated,qualitatively and quantitatively determined.The method detection limits ranged between 0.008 and 0.090 ppb (V/V),and the linearity coefficients R2 were between 0.992 7 and 1.The relative standard deviations were in the range of 4.0%~20.2% and the population standard deviations were in the range of 0.154 2~0.952 1. %R %U http://www.hjjkyyj.com/hjjkyyj/ch/reader/view_abstract.aspx %1 JIS Version 3.0.0