摘要
用30m长、内径0 25mm、DB-5MS普通商用柱,EI源,不分流进样,程序升温,NIST数据库及质量色谱等最通用规范的GC MS基本功能,建立了4种不同产地及不同品种汽油的GC MS图库。高效分离条件下,这些谱图的区别很明显,可直接从碳数分布,C6～12直链烃含量及直、支、环、烯、芳烃相对比例区分对比不同的汽油。立足于GC MS的通用性,强调高效分离及定量的准确性,保证数据可重复性,为全国范围内火案引燃物各厂家GC MS仪器间的对比破案,提供了共用数据平台。
In the general conditions of GC-MS column such as DB-5MS with a length of 30m and an inner diameter of 0.25mm, EI-source,temperature program and others,4 sorts of quantitative data base about the arson igniters of gasoline which are different in production place,strain and trademark. The GC-MS can separate the samples with different performances and do quantitative analysis quickly. According to different contents and compositions of C_6～C_(12) linear paraffinic hydrocarbons and relative proportion of linear,branched and cyclic hydrocarbons,olefin hydrocarbons and arenas,the arson igniters of gasoline with different production places,strains and trademarks are identified easily.It is advantageous for the public security officers to make the counter-terrorist and criminal detection quickly.
出处
《矿冶》
CAS
2004年第4期95-98,共4页
Mining And Metallurgy
