气相色谱-串联质谱法测定船用燃料油中的9种含氮化合物  

Determination of 9 Nitrogen-containing Compounds in Marine Fuel Oil by Gas Chromatography-Tandem Mass Spectrometry

作　　者：彭莹[1] 张子豪[1] 刘莹峰[1] 王晶[1] 谭志毅[1] 徐晓霞[1] 毛容妹[1] 郑建国[1] 

机构地区：[1]广东出入境检验检疫局,广东广州510623

出　　处：《分析测试学报》2017年第4期560-564,共5页Journal of Instrumental Analysis

基　　金：国家重点研发计划项目(2016YFF0203705);广东检验检疫局科研项目(2016GDK35)

摘　　要：采用气相色谱-串联质谱(GC-MS/MS)法建立了船用燃料油中9种含氮化合物的测定方法。样品以SPE小柱净化去除饱和烃后,通过二氯甲烷-乙醇(5∶1)溶液洗脱。用DB-5MS(30 m×0.25 mm×0.25μm)色谱柱分离,采用多反应监测(MRM)模式,外标法定量。结果表明,9种含氮化合物的色谱分离效果良好,在浓度1~1 000 mg/kg范围内与峰面积均呈线性关系。方法的定量下限(S/N=10)为0.18~0.43 mg/kg,平均加标回收率为85.3%~121.6%,相对标准偏差(RSD,n=6)均不大于6.8%。结果表明该方法快速可靠、准确简便,适用于船用燃料油中9种含氮化合物的检测。A gas chromatography-tandem mass spectrometric method was developed for the determination of 9 nitrogen containing compounds in marine fuel oil.The sample was purified with SPE cartridge to remove the saturated hydrocarbon,and then eluted with a mixed solution composing of dichloromethane and ethanol（5∶1）.The target ingredients were separated on a DB-5MS column（30 m×0.25 mm×0.25 μm）,detected in multiple reaction monitoring mode（MRM）,and quantified by the external standard method.The method indicated a perfect performance in chromatographic separation.The linear ranges of 9 nitrogen containing compounds were between 1 mg/kg and 1 000 mg/kg,and the limits of quantitation were between 0.18 mg/kg and 0.43 mg/kg.The recoveries ranged from 85.3% to 121.6%,with relative standard deviations（RSDs,n=6） less than 6.8%.This method was rapid,accurate,precise and convenient to operate,and it was appropriate for the determination of 9 nitrogen containing compounds in marine fuel oil.

关 键 词：船用燃料油 含氮化合物 气相色谱-串联质谱 

分 类 号：O657.63[理学—分析化学]