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"Chemical Ionization" resources

A softer ionization method in mass spectrometry using reagent gases to ionize molecules, reducing fragmentation.

13 results
Characterization of Green Leaf Tobacco Extracts Using GC-HRT
203-821-481
Comprehensive Analysis of Drug Residues from a Confiscated Pipe: GC-High Resolution Mass Spectrometry with Chemical Ionization to Facilitate Unknown Identification
203-821-435 This application note demonstrates the use of high-resolution gas chromatography-time-of-flight mass spectrometry (GC-HRT) with chemical ionization (CI) to identify unknown drug residues from a confiscated pipe. The study highlights the advantages...
Disinfection Byproducts Water
203-821-492
Enhanced Metabolite Profiling: Hard and Soft Ionization High-Resolution Time-of-Flight Mass Spectrometry
203-821-447 This application note demonstrates the value of both electron impact ionization (EI) and chemical ionization—high-resolution time-of-flight mass spectrometry (HR-CI) in identifying analytes in complex metabolomic samples. The complementary use of ...
Forensics Analysis Workflow using EI & CI in HRTOFMS
DA-SOFT14-LPSS-161 Controlled substances, such as marijuana, cocaine, heroin and methamphetamines, are commonly seized by law enforcement officials and routinely analyzed by forensic laboratories. Explore how HRTOFMS using Electron and Chemical Ionization can analyz...
Identifying Polymer Extract Components wth EI and CI GC-HRTOFMS
203-821-449 This application note demonstrates the use of high-resolution, accurate mass electron impact ionization (EI) and chemical ionization (CI) time-of-flight mass spectrometry (TOFMS) for the identification of components in polymer extracts. The study ...
Jet Fuel Analysis by HRTOFMS: EI, CI, and Accurate Mass
203-821-448 This application note demonstrates the use of high-resolution time-of-flight mass spectrometry (HR-TOFMS) to analyze jet fuel, employing both electron impact ionization (EI) and chemical ionization (CI) techniques. The study highlights how combini...
Mass Accuracy with Chemical Ionization
209-281-007
Multi-Mode Source MMS
203-821-630 The Multi-Mode Ion Source provides a single solution for Electron Ionization, Positive Chemical Ionization, and Electron Capture Negative Ionization.