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Preface | |
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Introduction | |
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Principles | |
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Diagram of a Mass Spectrometer | |
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History | |
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Ion Free Path | |
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Ion Sources | |
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Electron Ionization | |
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Chemical Ionization | |
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Proton transfer | |
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Adduct formation | |
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Charge-transfer chemical ionization | |
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Reagent gas | |
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Negative ion formation | |
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Desorption chemical ionization | |
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Field Ionization | |
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Fast Atom Bombardment and Liquid Secondary Ion Mass Spectrometry | |
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Field Desorption | |
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Plasma Desorption | |
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Laser Desorption | |
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Matrix-Assisted Laser Desorption Ionization | |
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Principle of MALDI | |
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Practical considerations | |
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Fragmentations | |
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Atmospheric pressure matrix-assisted laser desorption ionization | |
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Thermospray | |
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Atmospheric Pressure Ionization | |
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Electrospray | |
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Multiply charged ions | |
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Electrochemistry and electric field as origins of multiply charged ions | |
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Sensitivity to concentration | |
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Limitation of ion current from the source by the electrochemical process | |
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Practical considerations | |
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Atmospheric Pressure Chemical Ionization | |
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Atmospheric Pressure Photoionization | |
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Atmospheric Pressure Secondary Ion Mass Spectrometry | |
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Desorption electrospray ionization | |
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Direct analysis in real time | |
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Inorganic Ionization Sources | |
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Thermal ionization source | |
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Spark source | |
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Glow discharge source | |
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Inductively coupled plasma source | |
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Practical considerations | |
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Gas-Phase Ion-Molecule Reactions | |
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Formation and Fragmentation of Ions: Basic Rules | |
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Electron ionization and photoionization under vacuum | |
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Ionization at low pressure or at atmospheric pressure | |
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Proton transfer | |
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Adduct formation | |
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Formation of aggregates or clusters | |
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Reactions at the interface between source and analyser | |
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Mass Analysers | |
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Quadrupole Analysers | |
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Description | |
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Equations of motion | |
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Ion guide and collision cell | |
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Spectrometers with several quadrupoles in tandem | |
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Ion Trap Analysers | |
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The 3D ion trap | |
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The 2D ion trap | |
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The Electrostatic Trap or 'Orbitrap' | |
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Time-of-Flight Analysers | |
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Linear time-of-flight mass spectrometer | |
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Delayed pulsed extraction | |
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Reflectrons | |
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Tandem mass spectrometry with time-of-flight analyser | |
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Orthogonal acceleration time-of-flight instruments | |
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Magnetic and Electromagnetic Analysers | |
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Action of the magnetic field | |
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Electrostatic field | |
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Dispersion and resolution | |
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Practical considerations | |
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Tandem mass spectrometry in electromagnetic analysers | |
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Ion Cyclotron Resonance and Fourier Transform Mass Spectrometry | |
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General principle | |
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Ion cyclotron resonance | |
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Fourier transform mass spectrometry | |
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MS[superscript n] in ICR/FTMS instruments | |
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Hybrid Instruments | |
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Electromagnetic analysers coupled to quadrupoles or ion trap | |
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Ion trap analyser combined with time-of-flight or ion cyclotron resonance | |
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Hybrids including time-of-flight with orthogonal acceleration | |
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Detectors and Computers | |
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Detectors | |
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Photographic plate | |
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Faraday cup | |
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Electron multipliers | |
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Electro-optical ion detectors | |
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Computers | |
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Functions | |
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Instrumentation | |
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Data acquisition | |
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Data conversion | |
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Data reduction | |
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Library search | |
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Tandem Mass Spectrometry | |
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Tandem Mass Spectrometry in Space or in Time | |
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Tandem Mass Spectrometry Scan Modes | |
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Collision-Activated Decomposition or Collision-Induced Dissociation | |
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Collision energy conversion to internal energy | |
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High-energy collision (keV) | |
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Low-energy collision (between 1 and 100 eV) | |
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Other Methods of Ion Activation | |
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Reactions Studied in MS/MS | |
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Tandem Mass Spectrometry Applications | |
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Structure elucidation | |
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Selective detection of target compound class | |
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Ion-molecule reaction | |
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The kinetic method | |
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Mass Spectrometry/Chromatography Coupling | |
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Elution Chromatography Coupling Techniques | |
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Gas chromatography/mass spectrometry | |
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Liquid chromatography/mass spectrometry | |
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Capillary electrophoresis/mass spectrometry | |
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Chromatography Data Acquisition Modes | |
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Data Recording and Treatment | |
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Data recording | |
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Instrument control and treatment of results | |
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Analytical Information | |
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Mass Spectrometry Spectral Collections | |
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High Resolution | |
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Information at different resolving powers | |
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Determination of the elemental composition | |
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Isotopic Abundances | |
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Low-mass Fragments and Lost Neutrals | |
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Number of Rings or Unsaturations | |
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Mass and Electron Parities, Closed-shell Ions and Open-shell Ions | |
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Electron parity | |
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Mass parity | |
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Relationship between mass and electron parity | |
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Quantitative Data | |
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Specificity | |
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Sensitivity and detection limit | |
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External standard method | |
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Sources of error | |
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Internal standard method | |
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Isotopic dilution method | |
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Fragmentation Reactions | |
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Electron Ionization and Fragmentation Rates | |
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Quasi-Equilibrium and RRKM Theory | |
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Ionization and Appearance Energies | |
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Fragmentation Reactions of Positive Ions | |
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Fragmentation of odd-electron cations or radical cations (OE[superscript [middle dot]+]) | |
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Fragmentation of cations with an even number of electrons (EE[superscript +]) | |
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Fragmentations obeying the parity rule | |
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Fragmentations not obeying the parity rule | |
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Fragmentation Reactions of Negative Ions | |
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Fragmentation mechanisms of even electron anions (EE[superscript -]) | |
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Fragmentation mechanisms of radical anions (OE[superscript [middle dot]-]) | |
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Charge Remote Fragmentation | |
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Spectrum Interpretation | |
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Typical ions | |
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Presence of the molecular ion | |
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Typical neutrals | |
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A few examples of the interpretation of mass spectra | |
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Analysis of Biomolecules | |
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Biomolecules and Mass Spectrometry | |
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Proteins and Peptides | |
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ESI and MALDI | |
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Structure and sequence determination using fragmentation | |
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Applications | |
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Oligonucleotides | |
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Mass spectra of oligonucleotides | |
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Applications of mass spectrometry to oligonucleotides | |
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Fragmentation of oligonucleotides | |
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Characterization of modified oligonucleotides | |
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Oligosaccharides | |
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Mass spectra of oligosaccharides | |
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Fragmentation of oligosaccharides | |
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Degradation of oligosaccharides coupled with mass spectrometry | |
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Lipids | |
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Fatty acids | |
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Acylglycerols | |
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Bile acids | |
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Metabolomics | |
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Mass spectrometry in metabolomics | |
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Applications | |
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Exercises | |
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Questions | |
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Answers | |
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Appendices | |
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Nomenclature | |
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Units | |
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Definitions | |
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Analysers | |
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Detection | |
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Ionization | |
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Ion types | |
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Ion-molecule reaction | |
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Fragmentation | |
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Acronyms and abbreviations | |
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Fundamental Physical Constants | |
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Table of Isotopes in Ascending Mass Order | |
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Table of Isotopes in Alphabetical Order | |
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Isotopic Abundances (in %) for Various Elemental Compositions CHON | |
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Gas-Phase Ion Thermochemical Data of Molecules | |
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Gas-Phase Ion Thermochemical Data of Radicals | |
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Literature on Mass Spectrometry | |
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Mass Spectrometry on Internet | |
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Index | |