1. Principles of Mass Spectrometry.- 1. History.- 2. The Electron Impact Mass Spectrum.- 2.1. The Molecular Ion.- 2.2. Fragment Ions.- 2.3. Multiply Charged Ions.- 2.4. Metastable Peaks.- 2.5. Ion-Molecule Reactions.- 2.6. Variation of Electron Energy.- 2.7. Quadrupole Mass Filters.- 3. Alternative Methods of Ionization.- 3.1. Chemical Ionization.- 3.2. Field Ionization.- 3.3. Field Desorption.- 4. Exercises.- 5. Suggested Reading.- 2. Instrumentation for Mass Spectrometry.- 1. Introduction.- 2. The LKB 9000 Instrument.- 2.1. Electron-Impact Ion Source.- 2.2. Flight Tube.- 2.3. Total Ion Current Detector.- 2.4. Electromagnet.- 2.5. Spectrum Detection and Recording.- 2.6. Gas Chromatographic Inlet.- 2.7. Other Inlet Systems.- 2.8. Multiple Ion Detector.- 2.9. Similarity to Other Instruments.- 3. The Hewlett-Packard 5992 Instrument.- 3.1. General Description.- 3.2. The Mass Analyzer.- 3.3. Use of the Instrument.- 3.4. Other Accessories.- 3.5. Similarity to Other Instruments.- 4. The Kratos-AEI MS50 Instruments.- 4.1. Resolution.- 4.2. Inlet Systems.- 4.3. Ion Sources.- 4.4. Ion Analyzer.- 4.5. Detector.- 4.6. Matrix Control System.- 4.7. Data Handling.- 4.8. Similarity to Other Instruments.- 5. Exercises.- 6. Suggested Reading.- 3. Combined Gas Chromatography-Mass Spectrometry.- 1. Introduction.- 1.1. Gas-Phase Techniques in Analytical Chemistry.- 1.2. Combined Gas Chromatography-Mass Spectrometry.- 1.3. Role of GC—MS in Relation to Other Techniques.- 2. Gas Chromatography.- 2.1. Introduction.- 2.2. Basic Principles.- 2.3. Features of the Technique.- 2.4. Standardization of Retention Behavior.- 2.5. Derivatives and the Discriminative Power of Gas Chromatography.- 3. Gas Chromatography-Mass Spectrometry.- 3.1. The Interface.- 3.2. Additional Requirements.- 3.3. Derivatives for GC-MS.- 4. Selected Applications.- 4.1. Samples Not Requiring Derivatization.- 4.2. “On-Column” Transformations.- 4.3. Derivatives Promoting Informative Fragmentations.- 4.4. Analysis of Closely Related Unsaturated Steroids.- 4.5. Studies of Drug Metabolism.- 4.6. Protection of Thermally Labile Samples by Derivative Formation.- 4.7. Applications of Selective Derivatization Reagents.- 4.8. Use of Isotope-Labeled Reagents.- 5. Exercises.- 6. Suggested Reading.- 4. Selective Ion Monitoring.- 1. Introduction.- 2. Operational Variables in Selective Ion Monitoring.- 2.1. Mass Spectrometrie Variables.- 2.2. Gas Chromatographic Variables.- 3. Instrument Operation for Selective Ion Monitoring.- 3.1. Monitoring of a Finite Number of Chosen Ions.- 3.2. Repetitive Scanning and SIM Profile Reconstruction.- 4. Procedures for the Development of SIM Analyses.- 4.1. Analysis of Trace (Picogram) Quantities.- 4.2. Analyses Using Reconstructed SIM Profiles.- 4.3. Additional Considerations.- 5. Applications of SIM to Other Fields of Study.- 6. Summary.- 7. Exercises.- 8. Suggested Reading.- 5. Concentration Techniques for Volatile Samples.- 1. Introduction.- 2. Selective Adsorption.- 2.1. Selective Adsorption Using Tenax-GC Polymer.- 2.2. Selective Adsorption Using Carbopack B.- 3. Exercises.- 4. Suggested Reading.- 6. Automatic Data Processing.- 1. Introduction.- 2. Instrument Control and Data Acquisition.- 3. The Minicomputer.- 4. Interrupts and Asynchronous Processing.- 5. Interfacing.- 6. Timing.- 7. Designing the Interface.- 8. Designing the Software.- 9. Exercises.- 7. Collections of Mass Spectral Data.- 1. Introduction.- 2. Open-Ended Data Collections.- 3. Published Data Collections.- 4. Donations of Spectra.- 5. Exercise.- 6. Suggested Reading.- 8. The Mass Spectrometry Data Centre.- 1. History and Organization.- 2. Activities of the Centre.- 2.1. The Mass Spectrometry Bulletin.- 2.2. Collection and Dissemination of Mass Spectra.- 2.3. Assistance in Compound Identification by Mass Spectrometry.- 3. Suggested Reading.- 9. The Mass Spectral Search System.- 1. Introduction.- 2. History and Organization.- 3. The Mass Spectral Search System.- 3.1. Current MSSS Use.- 3.2. Future Development of the MSSS.- 4. Suggested Reading.- 10. Environmental Applications of Mass Spectrometry.- 1. Introduction.- 2. Drinking Water Analysis.- 2.1. Experimental Procedure.- 2.2. Interpretation of Results.- 2.3. Analytical Quality Assurance.- 3. Study of a Landfill Leachate.- 4. A Study of the Houston Ship Channel.- 5. Summary.- 6. Exercises.- 7. Suggested Reading.- 11. Applications of Mass Spectrometry in the Pharmaceutical Industry.- 1. Introduction.- 2. Drug Metabolism.- 2.1. Gas Chromatography—Mass Spectrometry.- 2.2. Gas Chromatography—High-Resolution Mass Spectrometry.- 2.3. Direct-Probe Mass Spectrometry.- 2.4. Derivatization.- 2.5. Repetitive Scanning and Selective Ion Monitoring.- 2.6. Stable Isotopes.- 3. Medicinal Chemistry.- 4. Pharmaceutical Preparations.- 5. Summary.- 6. Exercises.- 7. Suggested Reading.- 12. Applications of Mass Spectrometry in the Petrochemical Industry.- 1. Introduction.- 1.1. The Role of Mass Spectrometry in the Petrochemical Industry.- 1.2. Historical Background.- 2. Methods.- 2.1. Methods for Qualitative Analysis.- 2.2. Spectral Features of Major Compound Types in Petroleum- and Coal Derived Materials.- 2.3. General Approach for Structure Identification.- 2.4. Principles of Quantitative Analysis.- 2.5. Simplifying Approaches.- 3. Applications of High- and Ultrahigh-Resolution Instruments.- 3.1. Computer Programs for Handling High-Resolution Mass Spectra.- 3.2. Measurements of Peak Intensities and Positions.- 3.3. Reference Standards.- 3.4. Mass Measurement.- 3.5. Formula Assignment.- 3.6. Determination of Average Sample Properties.- 4. Established Procedures.- 5. Miscellaneous Applications.- 6. Future Research.- 7. Exercises.- 8. Suggested Reading.- 13. Cosmochemical and Geochemical Applications of Mass Spectrometry.- 1. Introduction.- 2. Meteorites.- 3. Abiotic Synthesis.- 4. Lunar Samples.- 5. Ancient Sediments.- 6. Viking Mission to Mars.- 7. Conclusion.- 8. Exercises.- 9. Suggested Reading.- Solutions to Exercises.