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Fundamentals of GC/MS
Qualitative Methods of GC/MS Analysis: Library Search
Library Search
The mass spectra show a specific pattern corresponding to compounds. Therefore, the comparison of a measured spectrum to a database is an effective identification method. Library search will be explained here.
- An Easy Tool for Identification
- Searching Libraries
- Search Methods of Libraries
- Combined Use of Retention Index
- Examples of Spectral Library
- 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