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Fundamentals of GC/MS
Ionization Modes:NCI
NCI
NCI, one of the important ionization methods for GC/MS, will be explained.
- Three Ionization Modes
- Features of NCI
- Spectrum of NCI
- Ionization Process of NCI
- Molecular Peak and Fragmentation
- Negative ion Production Processes
- Useful Application Fields
- Introduction: What is Mass ?
- Introduction: Types of Ions
- Ionization Modes: EI
- Ionization Modes: PCI
- Ionization Modes:NCI
- Hardware: Ion Source
- Hardware: Mass Analyzer
- Hardware: Scan Mode and SIM Mode
- Hardware: Detector
- Hardware: Vacuum System
- Parameters Expressing Performance of Mass Analyzer :Mass Resolution and Peak Width
- Parameters Expressing Performance of Mass Analyzer :Signal-to-Noise Ratio
- Qualitative Methods of GC/MS Analysis: Retention Time and Retention Index
- Qualitative Methods of GC/MS Analysis: Library Search