新型离子迁移谱技术应用于白酒中塑化剂的检测  

Determination of phthalate esters in wine by novel ion mobility spectrometry

作　　者：窦怀智[1] 江涛[1] 张晓冬[1] 侯晋[1] 

机构地区：[1]南通出入境检验检疫局,南通226004

出　　处：《分析仪器》2014年第1期88-92,共5页Analytical Instrumentation

基　　金：江苏出入境检验检疫局科研项目;计划编号:2012KJ34

摘　　要：本研究利用FAIMS(强场非对称波形离子迁移谱)芯片搭建的检测设备,成功实现了对白酒中DEHP(邻苯二甲酸二(2-乙基)己酯)和DINP(邻苯二甲酸二异壬酯)的检测。通过顶空进样装置,以空气为载气,将加热挥发的样品送入检测核心,得到相应的信号,并通过软件转化为对应的谱图。对比含有塑化剂的样品和纯净样品的谱图,可确定塑化剂在谱图上的位置。该设备对不同浓度样品检测结果显示,其精密度低于气相色谱-质谱联用仪,检测信号值与浓度成高度正相关。利用含塑化剂样品制作样机标尺,在软件中设置报警浓度,实现对白酒中塑化剂的快速检测。The equipment based on FAIMS（field asymmetric waveform ion mobility spectrometry） chip was established to detect DEHP and DINP in wine successfully. Sample was heated and evaporated into de- tect core with air as the carrier gas through headspace sampler, and obtained the corresponding signals. They were transformed into the spectrum diagram by the software. The test results of pbtbalate esters in various concentration showed the precision was lower than GC-MS＇s and the signal value had a relationship with concentration of phthalate esters in direct proportion.

关 键 词：强场非对称离子迁移谱 塑化剂 气相色谱-质谱联用 

分 类 号：TS261.7[轻工技术与工程—发酵工程] O657.7[轻工技术与工程—食品科学与工程]