摘要
建立了吹扫捕集-气相色谱/质谱法测定地表水环境质量标准所要求必须监测的27种挥发性有机物。采用全扫描和选择离子扫描方式,内标法进行测定,提高了定性、定量分析的准确性。各目标物方法检出限为0.04～2.8μg/L,加标回收率为82.7%～108%,RSD为1.42%～8.68%。
A method is established for determination of 27 volatile organic compounds in water by purge and trap-gas chromatography/mass spectrometry.Full scan mode,selective ion mode and the internal standard method are used to improve the accuracy of the qualitative and quantitative analysis.The detection limit is in a range of 0.04μg/L^2.8μg/L,the recoveries are between 82.7%~108% and the RSD lies between 1.42%~8.68%.
出处
《环境科学导刊》
2012年第3期88-90,93,共4页
Environmental Science Survey
关键词
吹扫捕集
气相色谱/质谱法
挥发性有机物
purge and trap
gas chromatography-Mass spectrometry
volatile organic compounds
