质谱的离子检测器。q表示四离子杆检测器，tof表示飞行时间检测器，q-tof表示四离子杆与飞行时间检测器，qqq表示3个四离子杆检测器串联。
Triple quadrupole mass spectrometry (QqQ) is the most popular and widely used technique used to analyze pesticide residues in food and environmental compartments. However, recent advances in quadrupole-time-of-flight mass spectrometry (Q-TOF) may lead to this approach becoming a useful tool for ...
TOF就是利用飞过一段距离的时间来进行计算，反推出不同时间到达检测器的离子的质合比。
HPLC—Q—TOF—MS和UPLC—QqQ—MS的三叶青主要成分定性与定量研究(3) 2.5.4稳定性试验取本品按2.2.1项下制备供试品溶液,分别于0, 2, 6, 10, 12和24 h按2.1.2项下测定,记录4种分析物及内标峰面积,根据标准曲线计算浓度,其RSD分别为1.9%,2.8%,3.4%,4.0%,表明样品在24 h内稳定。 2.5.5重复性试验精...
20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Concentration (ng/ml) Quantitation by QqQ MS/MS Interesting Isobaric Interference and example of how LC/TOF-MS could help Diuron O Cl Diuron 233->160 233->72 N HN Cl C9H11Cl2N2O+ Exact Mass: 233.0243 Fluometuron O NN H]...
摘要 建立了基于超高效液相色谱-四极杆-飞行时间串联质谱(UPLC-Q-TOF-MS/MS)和超高效液相色谱-三重四极杆串联质谱(UPLC-QQQ-MS/MS)的洋甘菊化学成分分析方法。UPLC-Q-TOF-MS/MS采用Wa...展开更多 Based on ultra performance liquid chromatography-quadrupole-time of flight mass spectrometry(UPLC-Q-TOF-MS/...
Qualitative and Quantitative Analysis of the Major Constituents in Shexiang Tongxin Dropping Pill by HPLC-Q-TOF-MS/MS and UPLC-QqQ-MS/MS MoleculesShan Lin,Wen Xu,Daxin Chen.Qualitative and Quantitative Analysis of the Major Constituents in Shexiang Tongxin Dropping Pill by HPLC-Q-TOF-MS/MS.....
建立高效液相色谱串联四极杆飞行时间质谱法(HPLC-Q-TOF-MS)快速鉴定三叶青化学成分,建立超高效液相色谱串联三重四级杆质谱法(UPLC-QqQ-MS)同时测定三叶青中4种成分(芦丁、异槲皮苷、山柰酚芸香糖苷、紫云英苷)的含量。HPLC-Q-TOF-MS法采用月旭Ultimate-XBC18色谱柱(4.6mm×150mm,5μm),流动相为乙腈(A)-0.1%...
产品名称: Agilent 5190-0469 LC TOF/QTOF/QQQ Pesticide Test Mix.产品型号: LC TOF/QTOF/QQQ Pesticide Test Mix.产品展商: 美国Agilent/安捷伦产品文档: 无相关文档 简单介绍 全球测量领域的*** 当测量至关重要时,安捷伦为工程师、科学家、制造商、企业、研究人员和政府机构提供多种工具和解决方案。从家庭娱...
molecules Article Simultaneous Analysis of Iridoid Glycosides and Anthraquinones in Morinda officinalis Using UPLC-QqQ-MS/MS and UPLC-Q/TOF-MSE Xiangsheng Zhao 1, Jianhe Wei 1,2 and Meihua Yang 1,2,* 1 Hainan Branch Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences &...