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Chemical Ionization

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

203-821-655

Analysis of Heavy Fuel Oil using Multi-Mode Ionization

Heavy Fuel Oil Multi-Mode Source MMS GCxGC-HRT4D
203-821-481

Characterization of Green Leaf Tobacco Extracts Using GC-HRT

203-821-435

Comprehensive Analysis of Drug Residues from a Confiscated Pipe: GC-High Resolution Mass Spectrometry with Chemical Ionization to Facilitate Unknown Identification

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...
203-821-492

Disinfection Byproducts Water

203-821-447

Enhanced Metabolite Profiling: Hard and Soft Ionization High-Resolution Time-of-Flight Mass Spectrometry

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 ...
DA-SOFT14-LPSS-161

Forensics Analysis Workflow using EI & CI in HRTOFMS

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...
203-821-449

Identifying Polymer Extract Components wth EI and CI GC-HRTOFMS

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 ...
203-821-448

Jet Fuel Analysis by HRTOFMS: EI, CI, and Accurate Mass

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...
209-281-007

Mass Accuracy with Chemical Ionization

203-821-630

Multi-Mode Source MMS

The Multi-Mode Ion Source provides a single solution for Electron Ionization, Positive Chemical Ionization, and Electron Capture Negative Ionization.
203-821-487

Spice Wars – Are You Battle Ready? Analysis of Synthetic Cannabinoids Using an HR-CI Source Operated in EI and CI Modes

DA-ISCC13-LPSS-107

Synthetic Drug Analysis via Electron and Chemical Ionization High-Resolution Time-of-Flight Mass Spectrometry

This application note details the use of LECO's Pegasus® GC-HRT high-resolution time-of-flight mass spectrometer (HR-TOFMS) equipped with both electron impact (EI) and chemical ionization (CI) sources for the analysis of synthetic drugs. The study...