实时直接分析-四极杆-静电场轨道阱质谱技术在烟支油斑污染源鉴别中的应用  

Application of DART-Q-Orbitrap in the identification of staining in cigarette

作　　者：周妍 袁维鑫 张玮 戚大伟[1] 费婷[1] 吴达[1] ZHOU Yan;YUAN Weixin;ZHANG Wei;QI Dawei;FEI Ting;WU Da(Technical Center,Shanghai Tobacco Group Co.Ltd.,Shanghai 201315;Shanghai Cigarette Factory,Shanghai Tobacco Group Co.Ltd.,Shanghai 201315)

机构地区：[1]上海烟草集团有限责任公司技术中心,上海201315 [2]上海烟草集团有限责任公司上海卷烟厂,上海201315

出　　处：《分析试验室》2021年第6期722-726,共5页Chinese Journal of Analysis Laboratory

摘　　要：润滑油或黄斑样品经正己烷分散或萃取后,滴于筛网模块,待溶剂挥干后用于DART离子源直接分析。本文对DART离子源的温度以及样品传输速度进行了条件优化,以卷包设备常见的7种油品作为研究对象,在正离子和负离子2种模式下进行检测。通过主成分分析(PCA)和偏最小二乘法判别分析(PLS-DA)等多元统计分析方法进行聚类,并筛选出不同油品特征离子。烟支污染物经仪器分析后,可基于高分辨质谱采集的特征离子精确质量数进行污染来源的鉴别。Oil and staining samples extracted by hexane were introduced on the screen mesh module for DART analysis.The temperature of ion source and sample injection rate were optimized.Seven types of oil used were investigated by DART-Q-Orbitrap method,and the detection was carried out in two modes of positive ion and negative ion.Principal component analysis(PCA)and partial least squares discriminant analysis(PLS-DA)were performed to reveal the differences of seven types of oil and the characteristic ions of each type of oil.After analyzing oil staining in cigarette under the same conditions,the source of oil staining was identified based on the accurate mass of characteristic ions collected by high resolution mass spectrometry.

关 键 词：实时直接分析 四极杆-静电场轨道阱质谱 烟支油斑 主成分分析 偏最小二乘法判别分析 

分 类 号：O657.63[理学—分析化学]