Annual Reports on NMR Spectroscopy (eBook)

Cover 1
Copyright Page 5
List of contributors 6
Preface 7
Contents 8
Chapter 1. Developments in Solid State NMR 12
1. Introduction 13
2. Sensitivity 14
3. Chemical shift anistropy 22
4. Dipole–dipole coupling 36
5. Quadrupole coupling 52
6. Zero field 65
7. Imaging 68
8. Multiple-quantum methods 82
References 85
Chapter 2. Solid State NMR Imaging 98
1. Introduction 99
2. Imaging basics 105
3. Wide-line imaging methods 121
4. Manipulation of Hamiltonians, averaged Hamiltonians 129
5. Imaging with multiple-phase line-narrowing 138
6. Imaging with magic-angle sample spinning 155
7. Rotating frame imaging 163
8. Large samples and surface coils 168
9. Nutation studies of the skin depth in metallic samples 170
10. Slice selection and volume Belected spectroscopy 171
11. Other spin = ½ nuclei 176
12. Quadrupolar nuclei 179
13. Applications 182
Acknowledgements 185
References 185
Chapter 3. NMR Studies of Interfacial Phenomena 192
1. Introduction 192
2. Theory 195
3. Results 209
4. Conclusions 222
References 223
Chapter 4. NMR Measurements of Intracellular Ions in Living Systems 230
1. Introduction 230
2. Sodium measurements 231
3. Potassium measurements 248
4. 19F NMR measurements of intracellular free calcium ions 255
5. Magnesium measurements 263
6. 35Cl NMR spectroscopy 269
References 273
Chapter 5. 199Hg NMR Parameters 278
1. Introduction 278
2. Experimental 279
3. Nuclear spin relaxation 282
4. Chemical shifts, d199Hg 284
5. Indirect nuclear spin–spin coupling constants nJ(199HgX) 287
6. 199Hg NMR of solids 291
7. Conclusions 292
Acknowledgements 292
References 332
Chapter 6. Applications of NMR Methods in Coal Research 342
1. Introduction 342
2. NMR investigations of coal structure 343
3. Interactions between solvent molecules and coal surfaces 353
4. Thermal processes 367
Acknowledgements 371
References 372
Index 376