首页 | 本学科首页   官方微博 | 高级检索  
     检索      

气相色谱-质谱法测定环境空气中恶臭硫化物成分
引用本文:施玉格,李刚.气相色谱-质谱法测定环境空气中恶臭硫化物成分[J].干旱环境监测,2014,28(4):174-177.
作者姓名:施玉格  李刚
作者单位:新疆环境监测总站,新疆乌鲁木齐,830011
摘    要:摘要:采用苏玛罐采样、冷阱顶浓缩处理样品、气相色谱质谱联用法测定环境空气中的甲硫醇、乙硫醇、甲硫醚、乙硫醚、甲乙硫醚、二甲二硫、二硫化碳等7种恶臭硫化物。结果表明,该方法的线性较好,7种硫化物的检出限为8.0×10-4~1.4×10-3mg/m3,混合标准气体平行测定时RSD范围在3.32%~6.17%,加标回收率为100%~117%。该方法对于环境空气恶臭硫化物的测定准确可靠,能够用于常规环境空气中恶臭硫化物的分析检测。

关 键 词:气相色谱质谱联用仪  冷阱预浓缩仪  恶臭硫化物  环境空气

Analysis of the Stench Sulfide Components in the Environmental Air by GC/MS
SHI Yu-ge,LI Gang.Analysis of the Stench Sulfide Components in the Environmental Air by GC/MS[J].Arid Environmental Monitoring,2014,28(4):174-177.
Authors:SHI Yu-ge  LI Gang
Institution:( Xinjiang Environmental Monitoring Centre, Urumqi Xinjiang 830011, China)
Abstract:Methanthiol, ethanethiol, dimethyl sulfide, ethyl sulfide, methyhhioethane, dimethyl disulfide and carbon disulfide in the environment air were analyzed by using Summa canisters for sampling, a trap concentrator for preconeentration and gas chromatography mass spectrometer for analysis. Results showed good linearity of method was obtained. Detection limits of 7 kinds of stench sulfide were between 8.0 × 10 -4 mg/m3 and 1.4 × 10 -3 mg/m3. RSD of parallel samples of mixed standard gases were between 3. 320/6 and 6.17%. Spiked recoveries of samples were between 100% and 117% . The results showed that the method for the determination of stench sulfide in the environment air was accurate and reliable,and it can be applied to the monitoring of conventional stench sulfide in the environment air.
Keywords:gas chromatography -mass spectrometry (GC/MS)  a trap concentrator  the stench sulfide components  envi- ronment air
本文献已被 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号