CONTENTS Preface Frequently Used Symbols and Abbreviations Chapter 1 SPECTROSCOPY: SOME PRELIMINARY CONSIDERATIONS 1. I What is NMR Spectroscopy? erties of Electromagnetic Radiation 1.3 Interaction of Radiation with Matter: The Classical Picture 1. 4 Uncertainty and the Question of Time Scale Chapter Summary Review Problems Chapter 2 MAGNETIC PROPERTIES OF NUCLEI 2.1 The structure of an atom 2.2 The Nucleus in a Magnetic Field 669 2.3 Nuclear Energy Levels and Relaxation Times 2.4 The Rotating Frame of Reference 2.5 Relaxation Mechanisms and Correlation Times Chapter Summary Additional Resou Review Problems Chapter 3 OBTAINING AN NMR SPECTRUM 3. 1 Electricity and Magnetism 3.2 The NMR Magnet 3.3 Signal Generation the Old Way: The Continuous-Wave(CW) Experiment 3.4 The Modern Pulsed Mode for Signal Acquisition 3.5 Line Widths, Lineshape, and Sampling Considerations 3.6 Measurement of Relaxation Times