Increasing Molecular Ion Production for Unknown Formula Elucidation with Chemical Ionization and Low Energy-Electron Ionization on Orbitrap GC/MS

Technical note | 000769 Gas chromotography Enhance sensitivity using variable electron voltage (VeV) on Orbitrap Exploris GC Mass Spectrometers Authors Goal Dominic Roberts¹, Łukasz Rajski², and To demonstrate the application of variable electron voltages as a softer electron Xin Zheng³…

GC-MS Application News GCMS-QP2020 NX Screening of Terpenes with Solvent-Mediated Chemical Ionization Chua Chun Kiang, Loo Lai Chin, Jackie, Cynthia Lahey Shimadzu (Asia Pacific) Pte Ltd User Benefits  Perform chemical ionization safely with SMCI setup since it requires only…

Technical note | 000497 Environmental testing Positive chemical ionization using the Thermo Scientific ISQ 7610 single quadrupole GC-MS system Authors Introduction Amit Gujar , Kenneth M. Free , Gas chromatography-mass spectrometry (GC-MS) is a popular analytical technique Tim Anderson1, and…

TECHNICAL NOTE 10654 Negative Ion Chemical Ionization (NCI) studies using the Thermo Scientific ISQ 7000 single quadrupole GC-MS system Author Amit Gujar Thermo Fisher Scientific, Austin, TX, USA Goal Keywords Introduction Negative ion chemical ionization (NICI or NCI), IDL, Octafluoronaphthalene,…