Table Of Contents - JEOL JNM-ECA Series User Manual

SAFETY PRECAUTIONS
PRECAUTIONS FOR USE
1. OUTLINE OF SOLID-STATE NMR MEASUREMENT
1.1 SOLID-STATE NMR SYSTEM ............................................................ 1-1
1.2 DIFFERENCE BETWEEN SOLID-STATE NMR AND
SOLUTION NMR .................................................................................. 1-2
2. FUNDAMENTALS OF SOLID-STATE NMR MEASUREMENT
2.1 INTERACTIONS INFLUENCING SOLID-STATE NMR
SPECTRUM........................................................................................... 2-1
2.2 MAGIC ANGLE SPINNING................................................................. 2-2
2.3 HIGH POWER DECOUPLING............................................................. 2-3
2.3.1
2.3.2
2.4 SINGLE PULSE MEASUREMENT ..................................................... 2-4
2.5 CROSS POLARIZATION ..................................................................... 2-5
2.5.1
2.5.2
3. SETTING OF INSTRUMENT CONDITIONS
3.1 PRECAUTION FOR OPERATION ....................................................... 3-1
3.2 ADJUSTMENT OF MAGIC ANGLE ................................................... 3-3
3.3 SETTING OF IRRADIATION FREQUENCY...................................... 3-4
3.4 SETTING PULSE WIDTH.................................................................... 3-5
3.5 ADJUSTMENT OF RESOLUTION...................................................... 3-7
3.6 REFERENCE SETTING ....................................................................... 3-8
3.6.1
3.6.2
3.7 ADJUSTMENT OF CROSS-POLARIZATION CONDITIONS......... 3-10
3.7.1
3.7.2
3.7.3
3.7.4
3.8 ADJUSTMENT OF DECOUPLING CONDITIONS.......................... 3-13
3.8.1
3.8.2
3.8.3
3.8.4
3.8.5
3.8.6
NMECAXS_V50-SLD-2
CONTENTS
CW (Continuous Wave) Decoupling ..............................................2-3
TPPM (Two Pulse Phase Modulation) Decoupling ........................2-3
Principle of Cross Polarization........................................................2-5
Notes of Cross Polarization.............................................................2-6
External Reference Setting..............................................................3-8
Reference Setting by Using Z0 Shim ..............................................3-9
Adjustment of Cross-Polarization Condition under Low-speed
Spinning ........................................................................................3-10
Adjustment of CP Condition under High Speed Spinning............3-11
Adjustment of VACP Conditions..................................................3-11
Selecting a Method for Cross Polarization....................................3-12
Setting of CW (Continuous Wave) Decoupling Conditions .........3-13
Setting of TPPM Decoupling Conditions......................................3-13
Setting of XiX Decoupling Conditions .........................................3-14
Setting of SPINAL64 Decoupling Conditions ..............................3-14
Setting of CM Decoupling Conditions..........................................3-15
Setting of SWf-TPPM Decoupling Conditions .............................3-15
C-1