TG Terms

From Mass Spec Terms

(For old terms, see Orange Book Chapter 12)

Fundamentals

Types of ions

Basic Definitions

Accelerator Mass Spectrometry (remove)

Adiabatic Ionization (remove)

Accuracy (see Mass Accuracy) (remove)

Accurate Mass

Average Mass

Appearance Energy

Associative Ionization (remove)

Auto-Ionization (remove)

Atomic Mass Unit (u or Da)

Base Peak

Background Noise

Background Subtraction

Background Subtracted Mass Spectrum

Charge

Charge Deconvolution (multiply to singly charged ions)

Charge Number (z)

Charge Splitting

Chemical Noise

Combined Mass Spectrometry

Delayed Extraction

Crossed Electric and Magnetic Fields (remove)

Double-focusing Mass Spectrograph (remove)

Double-focusing Mass Spectrometer (remove)

Dynamic Fields Mass Mpectrometer (remove)

Electric Sector (remove)

Fourier Transform Ion Cyclotron (FT-ICR) Mass Spectrometer (remove)

Hybrid Mass Spectrometer (remove)

Ion Cyclotron Resonance (ICR) Mass Spectrometer (remove)

Ion Trap (remove)

Ion Aceleration

Ion Detection

Ion Gate

Ion Trapping

Ionization

Ionization Cross Section

Ion Cyclotron Ressonance

Ionization Efficiency

Ionization Energy

Charge Exchange (Charge Transfer) Ionization (remove)

Chemi-Ionization (remove)

Chemical Ionization (remove)

Charge Exchange

Charge Transfer

Charge Partitioning

Charge Stripping

Charge Inversion (types of reactions) ?

Collision(al) Activation

Dissociative Ionization (remove)

Electron Affinity

Electron Capture

Electron Energy

Electron Transfer


Fast Atom Bombardment Ionization (remove)

Field Desorption (remove)

Field Ionization (remove)

Gaseous Ion (????????????????????????solvent and counterion-free ion??????????????????????)

Hydrib Mass Spectrometry

Hyphenated Mass Spectrometry


Ion-Pair Formation (remove)

Ionic Dissociation (remove)

Ion Activation

Ion Dissociation

Isomeric Ion/Isobaric Ion (really needed?)

Ion Connectivity (sequence of atoms)

Ion Cooling (See Ion Quenching)

Ion Fragmentation (see Ion Dissociation)

Ion-Molecule Reactions

Ion Quenching

Ion-Source

Ion Structure (in MS it often means ion connectivity)

Isotope Cluster

Isotope Deconvolution

Mass/Charge Ratio (Th, never use Da, no units?. An ion of m/z or an ion at m/z?)

Magnetic Deflection (remove)

Magnetic Field (remove)

Magnetic Sector (remove)

Mass Analysis

Mass Number (m)

Mass Accuracy

Mass Error

Mass Scan

Mass Spectrograph (remove)


Mass Spectrometer


Mass Spectrometer Operating on the Linear Accelerator Principle (remove)


Mass Spectrometry (The best definition of MS when can propose)

Mass Spectrometry/mass Spectrometry MS/MS

Mass Spectrum

Molecular Mass

Monoisotopic Mass

Most Abundant Mass

MS abbreviation (correct use)

Multiple-Stage mass Spectrometry MSn

The m/z unit (Th or unitless?)


Mass Spectroscope (remove)

Mass Spectroscopy (remove)

Mattauch-Herzog Geometry (remove)

Nier-Johnson Geometry (remove)

Laser Ionization (remove)

Multi-Photon Ionization (remove)

Negative Ion Chemical Ionization (remove)

Nitrogen?????????????????????????s Rule

Nominal Mass

Peaks (difference between an ion and a peak, peak intensity versus ion abundance)

Penning Ionization (remove)

Photo-Ionization (remove)

Plasma Desorption (Fission Fragment) Ionization (remove)

Pre-Ionization State (remove)

????????????????/n Radian (180???????????????/n) Magnetic Sector (remove)

Prolate Trochoidal Mass Spectrometer (remove)

Quadrupole Ion Storage Trap (Quistor) (remove)

Quadrupole Mass Analyser (remove)

Single-focusing Mass Spectrometer (remove)

Static Fields Mass Spectometer (remove)


Tandem Mass Spectrometer (remove)

Tandem Mass Spectrometry

Time-of-flight Mass Mpectrometer (remove)


Time-of-Flight

Transmission

Post-Source Decay

Proton Affinity

Proton transfer/ Proton Abstraction (types of reactions ?)

Reflectron

Spark Ionization (remove)

Surface Ionization (remove)

Thermal Ionization (remove)

Vertical Ionization (remove)

Sensitivity

Sequential Mass Spectrometry (see Tandem MS and Multiple-stage MS)

Stevenson?????????????????????????s Rule

Radical (not to be confused with groups or substituents)

Recombination Energy

Relative Abundance

Resolution

Resolving Power

Units in Mass spectrometry (for mass (u or Da), for z +1, +2,?????????????????????? for m/z ??????????????????????)

[[X, [X + 1], [X + 2] Elements]]

Processes & Techniques

Ion Formation

Adiabatic Ionization

Appearance Energy

Associative Ionization

Atmospheric Pressure Ionization

Atmospheric Pressure Chemical Ionization

Atmospheric Pressure Photo-Ionization

Auto-Ionization

Charge Exchange (Charge Transfer) Ionization

Chemi-Ionization

Chemical Ionization

Desolvation

Desorption/Ionization On Silicon, DIOS

Dissociative Ionization

Electron Affinity

Electron Energy

Electron Ionization

Electrospray Ionization

Fast Atom Bombardment

Field Desorption

Field Ionization

Ion-Pair Formation

Ion Spray

Ionic Dissociation

Ionization Cross Section

Ionization Efficiency

Ionization Energy

Laser Desorption/Ionization

Laser Ionization

Liquid Matrix

Liquid Secondary Ion

Matrix-Assisted Laser Desorption/Ionization

Microspray

Multi-Photon Ionization

Nanospray

Negative Ion Chemical Ionization

Penning Ionization

Photo-Ionization

Plasma Desorption (Fission Fragment) Ionization

Pre-Ionization State

Proton Affinity

Resonance-Enhanced Multiphoton Ionization

Secondary Ion

Soft Ionization

Spark Ionization

Surface-Assisted Laser Desorption/Ionization

Surface Ionization

Thermal Ionization

Vertical Ionization

Ion Reactions

Association Reaction

a-Cleavage

b-Cleavage

Blackbody Infrared Radiative Dissociation

Charge Exchange Reaction

Charge-Induced Fragmentation

Charge Inversion Reaction

Charge Permutation Reaction

Charge-Remote Fragmentation

Charge Stripping Reaction

Charge Transfer Reaction

Collisional Activation, Collisionally Activated Dissociation

Collisional Excitation

Collision-Induced Dissociation

Collision Gas

Elastic Collision

Elastic Scattering

Electron Capture Dissociation

Heterolysis (Heterolytic Cleavage)

High-Energy Collision-Induced Dissociation

Homolysis (Homolytic Cleavage)

Hydrogen/Deuterium Exchange

Impact Parameter

I-Cleavage (Inductive Cleavage)

Inelastic Collision

Inelastic Scattering

Infrared Multiphoton Dissociation

Interaction Distance

Ion Energy Loss Spectra

Ion/Molecule Reaction

Ion/Neutral Complex

Ion/Neutral Species Reaction

Ion/Neutral Species Exchange Reaction

Ionizing Collision

Kinetic Method

Low-Energy Collision-Induced Dissociation

Mclafferty Rearrangement

Momentum Transfer Collision

Multiple Collision

Partial Charge Exchange Reaction

Partial Charge Transfer Reaction

Photodissociation

Post-Source Decay

Quasi-Equilibrium Theory

Superelastic Collision

Sustained Off-Resonance Irradiation

Unimolecular Dissociation

m/z Separation

Accelerating Voltage

Cyclotron Motion

Delayed Extraction

Einzel Lens

Electric Field Strength

Field Free Region

First Stability Region

Fringing Field

Ion Gate (Mass Gate)

Kinetic Energy

Kinetic Energy Analyzer

Kinetic Energy Release

Magnetic Deflection

Magnetic Flux Density

Magnetron Motion

Mass Analyzed Ion Kinetic Energy Spectrometry, MIKES

Mass Limit

Mass Range

Mass Resolution

Resolving Power (Mass)

Mass Selective Axial Ejection

Mass Selective Instability

Mathieu Equation

Momentum Analyzer

Orthogonal Extraction

Quadrupole Field

Reflectron

Reflectron, Curved Field

Reflectron, Gridless

Reflectron, Quadratic Field

Resonance Ion Ejection

Space Charge Effect

Stability Diagram

Static Field

Time Lag Focusing

Transmission

Detection

Array Detector (PATRIC)

Channel Electron Particle Multiplier

Dynode, Continuous

Dynode, Conversion

Daly Detector

Detector Gain

Dynode, Discrete

Ion-To-Photon Detector

Photoelectric Effect

Photographic Plate Recording

Postacceleration Detector

Secondary Electron Emission

Secondary Ion Emission

Sensitivity

Total Ion Current

Instrumentation

Ion Sources

Sample introduction

M/z separation methods

Sequential m/z separation

MS/MS

Tandem MS

MSn

Precursor Ion Spectrum

Product Ion Spectrum

Nth Generation Product Ion Spectrum

Daughter Ion Spectrum

Parent Ion Spectrum

Constant Neutral Mass Loss Spectrum

Constant Neutral Mass Gain Spectrum

Precursor Ion Scan

Product Ion Scan

Nth Generation Product Ion Scan Daughter Ion Scan

Parent Ion Scan

Constant Neutral Mass Loss Scan

Constant Neutral Mass Gain Scan

Mass-Analysed Ion Kinetic Energy Spectrometry (MIKES)

Ion Kinetic Energy Spectrometry (IKES)

Direct Analysis of Daughter Ions (DADI)

Multiple Reaction Monitoring (MRM)

Selected Reaction Monitoring (SRM)

Metastable Ion

Field Free Region (FFR)

Collision-Induced Dissociation (CID)

Collisionally Activated Disociation (CAD)

Collisional Activation

Linked Scan

B/E Linked Scan

B2/E Linked Scan

E2/V Linked Scan

Sustained Off-Resonance Irradiation (SORI)

Electron Capture Dissociation (ECD)

IRMPD (Infrared Multi-Photon Dissociation)

Detectors

Electron Multiplier

Photomultiplier

Dynode

Conversion Dynode

Faraday Cup

Daly Detector

MCP (Micro-Channel Plate)

Post-Acceleration Detector (PAD)

Photographic Plate


Sensitivity

Detection Limit

Data Processing