IUPAC Task Group MS Terms Second Draft
From Mass Spec Terms
This is the Second Draft of the IUPAC Task Group Standard definitions of terms relating to mass spectrometry that is slated for completion in early 2006.
Also see the First Draft (PDF) and the IUPAC Orange Book Chapter 12.
General Terms
Terms
- Accurate Mass
- Average Mass
- Appearance Energy
- Base Peak
- Charge Number
- Dalton
- Electron Affinity
- Electron Energy
- Electron Volt
- Exact Mass
- Field-Free Region
- Ionization Cross Section
- Ionization Efficiency
- Ionization Energy
- Isotope Dilution Mass Spectrometry
- Magnetic Deflection
- Magnetic Field
- Magnetic Flux Density
- Magnetic Sector
- Mass Defect
- Mass Number
- Molecular Mass
- Monoisotopic Mass
- m/z
- Multiphoton Ionization
- Nitrogen Rule
- Nominal Mass
- Odd-Electron Rule
- Peak
- Peak Intensity
- Proton Affinity
- Resolution (Mass)
- Resolving Power (Mass)
- Total Ion Chromatogram
- Transmission
- Unified Atomic Mass Unit
Acronyms
- Appearance Potential
- Atmospheric Pressure
Ion Formation and Reactions
Types of Ions
- Adduct Ion
- Aromatic Ion
- Anion
- Analog Ion
- Anti-Aromatic Ion
- Cation
- Cationized Molecule
- Classical Ion
- Cluster Ion
- Conventional Ion
- Diagnostic Ion
- Dimeric Ion
- Distonic Ion
- Enium Ion
- Even-Electron Ion
- Fragment Ion
- Ion
- Isotopologue Ion
- Isotopomeric Ion
- Metastable Ion
- Molecular Ion
- Negative Ion
- Non-Classical Ion
- Onium Ion
- Odd-Electron Ion
- Parent Ion
- Positive Ion
- Precursor Ion
- Principal Ion
- Product Ion
- Protonated Molecule
- Radical Ion
- Reference Ion
- Stable Ion
- Unstable Ion
Ion Formation
- Adiabatic Ionization
- Appearance Energy
- Associative Ionization
- Atmospheric Pressure Ionization
- Atmospheric Pressure Chemical Ionization
- Atmospheric Pressure Matrix-Assisted Laser Desorption Ionization
- Atmospheric Pressure Photoionization
- Autodetachment
- Autoionization
- Charge Exchange Ionization
- Chemi-Ionization
- Chemical Ionization
- Continuous Flow Fast Atom Bombardment
- Delayed Extraction
- Desorption/Ionization
- Desorption/Ionization On Silicon
- Direct Insertion Probe
- Direct Liquid Introduction
- Dissociative Ionization
- Electron Affinity
- Electron Energy
- Electron Ionization
- Electrospray Ionization
- Fast Atom Bombardment
- Fast Ion Bombardment
- Field Desorption
- Field Ionization
- Flowing Afterglow
- Glow Discharge Ionization
- Inductively Coupled Plasma
- Ion Desolvation
- Ion-Pair Formation
- Ion Spray
- Ionization Cross Section
- Ionization Efficiency
- Ionization Energy
- Laser Activated Microprobe Mass Spectrometry
- Laser Desorption
- Laser Desorption Ionization
- Laser Ionization
- Liquid Secondary Ionization
- Matrix-Assisted Laser Desorption Ionization
- Membrane Inlet
- Microelectrospray
- Molecular Beam Mass Spectrometry
- Multiphoton Ionization
- Nanoelectrospray
- Negative Ion Chemical Ionization
- Penning Ionization
- Photoionization
- Plasma Desorption Ionization
- Post-Ionization
- Pre-Ionization State
- Proton Affinity
- Pyrolysis Mass Spectrometry
- Resonance Enhanced Multiphoton Ionization
- Resonance Ionization
- Secondary Ionization
- Soft Ionization
- Spark Ionization
- Surface-Assisted Laser Desorption Ionization
- Surface Enhanced Laser Desorption Ionization
- Surface Enhanced Neat Desorption
- Surface Ionization
- Thermal Ionization
- Vertical Ionization
Ion Reactions
- Association Reaction
- ????????????-Cleavage
- ?????????????-Cleavage
- Blackbody Infrared Radiative Dissociation
- Buffer Gas
- Charge Exchange Reaction
- Charge-Induced Fragmentation
- Charge Inversion Reaction
- Charge Permutation Reaction
- Charge-Remote Fragmentation
- Charge Stripping Reaction
- Charge Transfer Reaction
- Collisional Activation
- Collisional Excitation
- Collisionally Activated Dissociation
- Collision Gas
- Collision-Induced Dissociation
- Collision Quadrupole
- Electron Capture Dissociation
- Electron-Induced Excitation in Organics
- Heterolytic Cleavage
- High Energy Collision
- High-Energy Collision-Induced Dissociation
- Homolytic Cleavage
- Hydrogen/Deuterium Exchange
- Ion Energy Loss Spectrum
- Ionizing Collision
- Ion Kinetic Energy Spectrometry
- Ion/Molecule Reaction
- Ion/Neutral Complex
- Ion/Neutral Species Reaction
- Ion/Neutral Species Exchange Reaction
- Inductive Cleavage
- Infrared Multiphoton Dissociation
- Kinetic Method
- Low Energy Collisions
- Low-Energy Collision-Induced Dissociation
- McLafferty Rearrangement
- Momentum Transfer Collision
- Multiphoton Dissociation
- Partial Charge Exchange Reaction
- Partial Charge Transfer Reaction
- Photodissociation
- Post-Source Decay
- Selected Ion Flow Tube
- Superelastic Collision
- Surface-Induced Dissociation
- Surface-Induced Reaction
- Sustained Off-Resonance Irradiation
- Unimolecular Dissociation
Ion Separation
Mass Analyzers
- Accelerator Mass Spectrometry
- Cyclotron
- Double-focusing Mass Spectrometer
- Electrostatic Energy Analyzer
- Fourier Transform Ion Cyclotron Resonance Mass Spectrometer
- High-field Asymmetric Waveform Ion Mobility Spectrometry
- Hybrid Mass Spectrometer
- Ion Trap
- Linear Ion Trap
- Mass Spectrograph
- Mass Spectrometer
- Mass Spectrometry
- Mass Spectrometry/mass Spectrometry MS/MS
- Mass Spectrum
- Mass Spectroscopy
- Mattauch-Herzog Geometry
- Nier-Johnson Geometry
- Paul Ion Trap
- Prolate Trochoidal Mass Spectrometer
- Quadrupole Ion Storage Trap
- Quistor
- Quadrupole Ion Trap
- Quadrupole Mass Spectrometer
- Reflectron
- Residual Gas Analyzer
- Sector Mass Spectrometer
- Stored Waveform Inverse Fourier Transform
- Tandem Mass Spectrometer
- Time-of-flight Mass Spectrometer
- Transmission Quadrupole Mass Spectrometer
m/z Separation Methods
- Accelerating Voltage
- Cyclotron Motion
- Cylindrical Ion Trap
- Delayed Extraction
- Dynamic Mass Spectrometry
- Einzel Lens
- Electric Field Strength
- Field Free Region
- First Stability Region
- Fringing Field
- Ion Gate
- Ion Mobility Spectrometry
- Isotope Ratio Mass Spectrometry
- Kinetic Energy Analyzer
- Kinetic Energy Release
- Kinetic Energy Release Distribution
- Mass Analyzed Ion Kinetic Energy Spectrometry
- Mass Limit
- Mass Range
- Mass Resolution
- Resolving Power (Mass)
- Mass Limit
- Mass Selective Axial Ejection
- Mass Selective Instability
- Mathieu Stability Diagram
- Orthogonal Extraction
- Reflectron
- Reflectron, Curved Field
- Reflectron, Gridless
- Reflectron, Quadratic Field
- Resonance Ion Ejection
- Selected Ion Monitoring
- Space Charge Effect
- Stability Diagram
- Static Field
- Time Lag Focusing
Sequential m/z Separation Methods
- 2E Mass Spectrum
- Charge Inversion Mass Spectrum
- Constant Neutral Loss Scan
- Constant Neutral Mass Gain Scan
- Constant Neutral Mass Gain Spectrum
- Constant Neutral Mass Loss
- Constant Neutral Mass Loss Spectrum
- Consecutive Reaction Monitoring
- Daughter Ion
- Daughter Ion Scan
- Daughter Ion Spectrum
- Direct Analysis of Daughter Ions
- E/2 Mass Spectrum
- Fixed Precursor Ion Scan
- Fixed Product Ion Scan
- Granddaughter Ion
- Grandparent Ion
- Linked Scan
- Linked Scan at Constant B/E
- Linked Scan at Constant E2/V
- Linked Scan at Constant B2/E
- Linked scan At Constant B(1-(E/E0))1/2/E
- Mass Spectrometry/mass Spectrometry MS/MS
- Mass-Analysed Ion Kinetic Energy Spectrometry
- MS/MS Spectrum
- MS/MS in Time
- MS/MS in Space
- Multiple Reaction Monitoring
- Multiple Stage Mass Spectrometry
- Neutral Loss
- Neutralization Reionization Mass Spectrometry
- Nth Generation Product Ion
- Nth Generation Product Ion Scan
- Nth Generation Product Ion Spectrum
- Parent Ion
- Parent Ion Scan
- Parent Ion Spectrum
- Precursor Ion
- Precursor Ion Scan
- Precursor Ion Spectrum
- Product Ion
- Product Ion Scan
- Product Ion Spectrum
- Progeny Fragment Ions
- Selected Reaction Monitoring
- Tandem Mass Spectrometry
- Tandem MS In Time
- Tandem MS In Space
Detection and Data Processing
Detectors
- Array Collector
- Channeltron
- Conversion Dynode
- Daly Detector
- Dynode
- Electron Multiplier
- Faraday Cup
- Focal Plane Collector
- Ion-To-Photon Detector
- Micro-Channel Plate
- Multiple Ion Detection
- Photographic Plate
- Photomultiplier
- Point Collector
- Postacceleration Detector
- Secondary Electron
- Total Ion Current
