The 27th Annual Meeting of the British Mass Spectrometry Society (BMSS) was held at the University of Derby from 5-8 September, 2004.
Abstract
IUPAC Standard Definitions of Terms Relating to Mass Spectrometry
Kermit K. Murray1, Robert K. Boyd2, Marcos N. Eberlin3, G John Langley4, Liang Li5, Yasuhide Naito6 and Jean Claude Tabet7
1Department of Chemistry, Louisiana State University, LA 70803
2National Research Council, Ottowa, Ontario, Canada
3Universidade Estadual de Campinas, Campinas, Brazil
4University of Southampton, School of Chemistry, Southampton, UK
5University of Alberta, Edmonton, Canada
6Osaka University, Hirakata, Osaka, Japan
7University Pierre et Marie Curie, Paris, France
Keywords: IUPAC, Nomenclature, MS terms, terminology.
The most recent edition of the International Union of Pure and Applied Chemistry (IUPAC) for terms and definitions related to mass spectrometry is over 10 years old1.
A project to update these terms and definitions in keeping with the ever burgeoning field of mass spectrometry has been commissioned by IUPAC and a working party set up to prepare a new document in conjunction with the mass spectrometry journals, national mass spectrometry societies, and the International Mass Spectrometry Society.
A web discussion group2 for MS terms and definition has been created to ensure that wide participation for discussion is achieved to aid production of this comprehensive list and the first workshop was held at this year's ASMS meeting in Nashville.
Here we present a draft report of the project and terms in use and request feedback on these and any other terminology that should be included in the final report to be delivered on 2006
1. Chapter 12 of the Compendium of Analytical Nomenclature (?***?*?**??**?**?***?*?**?***?*?***?*??**?**?***?*?***?***?*?***?*?Orange Book?***?*?**??**?**?***?*?**?***?*?***?*??**?**?***?*?**?**?*?), prepared in 1993, with addenda in 1993 and 1994
2. www.msterms.com
Poster
http://www.msterms.com/presentations/BMSS_2004.gif
Draft Terms List
Accelerating voltage
Accelerator Mass Spectrometry
Accuracy (see Mass Accuracy)
Accurate Mass
-cleavage
Adduct Ion
Adiabatic Ionization
Analogue Ion
Appearance energy
Aromatic Ion
Array Collector
Array Detector (PATRIC)
Association reaction
Associative Ionization
Atmospheric pressure chemical ionization
Atmospheric pressure ionization
Atmospheric pressure photoionization
Atomic Mass Unit (u or Da)
Auto-Ionization
Average Mass
B/E Linked Scan
B2/E Linked Scan
Background Noise
Background Subtracted Mass Spectrum
Background Subtraction
Base Peak
-cleavage
Blackbody infrared radiative dissociation
Cationized Molecule (Sodiated)
[[Channel Electron [particle] Multiplier]]
Charge
Charge Deconvolution (multiply to singly charged ions)
Charge Exchange
Charge Exchange (Charge Transfer) Ionization
Charge exchange reaction
Charge inversion reaction
Charge Number (z)
Charge Partitioning
Charge permutation reaction
Charge Remote Fragmentation
Charge Splitting
Charge Stripping
Charge stripping reaction
Charge Transfer
Charge transfer reaction
Charge-induced fragmentation
Chemical ionization
Chemical Noise
Chemi-Ionization
Cluster Ion
Collision gas
Collisional Activation
Collisional excitation
Collisionally Activated Disociation
Collision-induced dissociation
Combined Mass Spectrometry
Consecutive Reaction Monitoring
Constant Neutral Mass Gain Scan
Constant Neutral Mass Gain Spectrum
Constant Neutral Mass Loss Scan
Constant Neutral Mass Loss Spectrum
Continuous Dynode Electron Multiplier
Conventional Ion
Conversion Dynode
Crossed Electric and Magnetic Fields
Cyclotron Motion
Dalton
Daly Detector
Daughter Ion
Daughter Ion Scan
Daughter Ion Spectrum
Delayed (Ion) Extraction
Delayed Extraction
De-protonated Molecule
Desolvation
Desorption Chemical Ionisation
Desorption Chemical Ionisation Probe
Desorption/ionization on silicon
Detection Limit
Detector Gain
Diffusion Pump (Diffstak)
Dimeric Ion
Direct Analysis of Daughter Ions
Direct Inlet
Direct insertion probe
Dissociative Ionization
Distonic Ion
Double-focusing Mass Spectrograph
Dynamic Extraction
Dynamic Fields Mass Spectrometer
Dynamic Range
Dynode
Dynode, Continuous
Dynode, Conversion
Dynode, Discrete
E2/V Linked Scan
Einzel Lens
Elastic collision
Elastic scattering
Electric Field Strength
Electric Sector
Electron Affinity
Electron Capture
Electron capture dissociation
Electron Energy
Electron ionization
Electron Multiplier
Electron Transfer
Electrospray ionization
Enium Ion Carbenium, Nitrenium, ?***?*?**??**?**?***?*?**?***?*?***?*??**?**?***?*?**?**?*?
Even-Electron Anion
Even-Electron Cation
Even-Electron Ion
Faraday Cup
Fast atom bombardment
FAB gun
Field desorption
Field Free Region
Field ionization
Fine Vacuum
First Stability Region
Focal Plane Collector
Fourier Transform Ion Cyclotron (FT-ICR) Mass Spectrometer
Fragment Ion
Fringing Field
Gaseous Ion ("solvent and counterion-free ion")
Heterolysis (Heterolytic cleavage)
High Energy Collisions
High-energy collision-induced dissociation
High Vacuum
Homologue Ion
Homolysis (Homolytic cleavage)
Hybrid Mass Spectrometer
Hydrib Mass Spectrometry
Hydrogen/deuterium exchange
Hyphenated Mass Spectrometry
Hyphenated Technique(s)
i-cleavage (inductive cleavage)
Impact parameter
Inelastic collision
Inelastic scattering
Infra-Red Multi-Photon Dissociation
Interaction distance
Ion Aceleration
Ion Activation
Ion Connectivity (sequence of atoms)
Ion Cooling (See Ion Quenching)
Ion Cyclotron Resonance (ICR) Mass Spectrometer
Ion Detection
Ion Dissociation
Ion energy loss spectra
Ion Fragmentation (see Ion Dissociation)
Ion Gate (Mass Gate)
Ion Kinetic Energy Spectrometry
Ion Quenching
Ion spray
Ion Structure (in MS it often means ion connectivity)
Ion Suppression
Ion Trap
Ion Trapping
Ion/molecule reaction
Ion/neutral complex
Ion/neutral species exchange reaction
Ion/neutral species reaction
Ionic Dissociation
Ionization
Ionization Cross Section
Ionization Efficiency
Ionization energy
Ionisation Gauge
Ionizing collision
Ion-Molecule Reactions
Ion-Pair Formation
Ion-Source
Ion-to-photon detector
Isobar
Isomeric Ion/Isobaric Ion (really needed?)
Isotope Cluster
Isotope Deconvolution
Isotopic Ion
Isotopic Molecular Ion
Isotopically Enriched Ion
Isotopologue Ion
Isotopomeric Ion
Kinetic Energy
Kinetic Energy Analyzer
Kinetic Energy Release
Kinetic method
Laser desorption/ionization
Laser Induced Dissociation
Laser Ionization
Linked Scan
Liquid matrix
Liquid secondary ion
Low Energy Collisions
Low-energy collision-induced dissociation
Magnetic Deflection
Magnetic Field
Magnetic Flux Density
Magnetic Sector
Magnetron Motion
Mass Accuracy
Mass Analysis
mass analyzed ion kinetic energy spectrometry
Mass Error
Mass Limit
Mass Number (m)
Mass Range
Mass Resolution
Mass Resolving Power
Mass Scan
Mass Selective Axial Ejection
Mass Selective Instability
Mass Spectrograph
Mass Spectrometer
Mass Spectrometer Operating on the Linear Accelerator Principle
Mass Spectrometrist
Mass Spectrometry (The best definition of MS when can propose)
Mass Spectrometry/Mass Spectrometry
Mass Spectrometry-Mass Spectrometry
Mass Spectroscope
Mass Spectroscopy
Mass Spectroscopist
Mass Spectrum
Mass/Charge Ratio
Mass-Analysed Ion Kinetic Energy Spectrometry
Mathieu Equation
Matrix-assisted laser desorption/ionization
Mattauch-Herzog Geometry
McLafferty rearrangement
Metastable Ion
Micro-Channel Plate
Microspray
Molecular Ion
Molecular Mass
Momentum Analyzer
Momentum transfer collision
Monoisotopic Mass
Most Abundant Mass
MS abbreviation (correct use)
MS in Space
MS in Time
MSMS Spectrum
MSn
Multi-Photon Ionization
Multiple collision
Multiple Reaction Monitoring
Multiple-Stage mass Spectrometry MSn
Multiply-Charged Ion
Nanospray
Nanoelectrospray
Negative Ion
Negative Ion Chemical Ionization
Neutralisation Re-ionisation MS
Nier-Johnson Geometry
Nitrogen Rule
Nominal Mass
Non-Classical Ion
Nth Generation Product Ion Scan
Nth Generation Product Ion Spectrum
Odd-Electron Ion
Onium Ions Carbonium, Oxonium, Nitronium, ?***?*?**??**?**?***?*?**?***?*?***?*??**?**?***?*?**?**?*?
Orthogonal Extraction
p/n Radian (180?***?*?**??***?*?***?*??***?*?**?**?***?*/n) Magnetic Sector
Parent Ion
Parent Ion Scan
Parent Ion Spectrum
Partial charge exchange reaction
Partial charge transfer reaction
Peaks (difference between an ion and a peak, peak intensity versus ion abundance)
Penning Ionization
Photodissociation
Photo-Dissociation
Photoelectric Effect
Photographic Plate
Photographic Plate Recording
Photo-Ionization
Photomultiplier
Pirani Gauge
Plasma Desorption (Fission Fragment) Ionization
Point Collector
Positive Ion
Post-Acceleration Detector
Post-Source Decay
Precursor Ion
Precursor Ion Scan
Precursor Ion Spectrum
Pre-Ionization State
Principal Ion
Product Ion
Product Ion Scan
Product Ion Spectrum
Prolate Trochoidal Mass Spectrometer
Proton Affinity
Proton transfer/ Proton Abstraction (types of reactions ?)
Protonated Molecule
Pseudo-molecular Ion
Pulsed Extraction
Quadrupole Field
Quadrupole Ion Storage Trap (Quistor)
Quadrupole Mass Analyser
Quasi-equilibrium theory
Quasi-Molecular Ion (Not recommended)
Radical (not to be confused with groups or substituents)
Radical Anion
Radical Cation
Radical Ion
Rearrangement Ion
Recombination Energy
Reflectron
Reflectron, Curved Field
Reflectron, Gridless
Reflectron, Quadratic Field
Relative Abundance
Resolution
Resolving Power
Resonance Ion Ejection
Resonance-enhanced multiphoton ionization
Rotary pump
Roughing pump
Rough Vacuum
Scintillator
Secondary Electron Emission
Secondary ion
Secondary Ion Emission
Selected Reaction Monitoring
Sensitivity
Sequential Mass Spectrometry (see Tandem MS and Multiple-stage MS)
Single-focusing Mass Spectrometer
Singly-, Doubly-, Triply-, etc. Charged Ion (see multiply-Charged Ion)
Soft ionization
Space Charge Effect
Spark Ionization
Stability Diagram
Stable Ion
Static Field
Static Fields Mass Spectrometer
Stevenson's Rule
Superelastic collision
Surface Ionization
Surface-assisted laser desorption/ionization
Surface-enhanced laser desorption/ionization
Sustained off-resonance irradiation
Tandem Mass Spectrometer
Tandem MS
The m/z unit (Th or unitless?)
Thermal Ionization
Time Lag Focusing
Time-of-Flight
Time-of-flight Mass Spectrometer
Total Ion Current
Transmission
Turbomolecular pump
Unimolecular dissociation
Units in Mass spectrometry (for mass (u or Da), for z +1, +2,?***?*?**??**?**?***?*?**?***?*?***?*??**?**?***?*?**?**?*? for m/z ?***?*?**??**?**?***?*?**?***?*?***?*??**?**?***?*?**?**?*?)
Unstable Ion
Vertical Ionization
[[X, [X + 1], [X + 2] Elements]]
Yl Cation (tropyl Cation)
Ylium Ion (tropylium ion)