A conventent method IS described to measure the rotattonal polnrtzatton of CH3 groups tn sohds The method makes use of rf pulses only, IS suttable also for even very short rehutlon ttmes, IS much more stable thJn the sample fltp method and K also apphable III hquid crystals
Determination of the rotational polarization of CH3 groups in solids by means of NMR and rotational pulses
✍ Scribed by R.A. Wind; S. Emid; J.F.J.M. Pourquié
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 193 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0375-9601
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We describe a new technique for double-quantum excitation in magic-angle-spinning NMR of powdered solids. The technique is designed to efficiently excite double-quantum coherence in the vicinity of a rotational resonance condition. The offset from rotational resonance allows the double-quantum filte
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