Recently we developed an efficient broadband decoupling sequence called SPARC-16 for liquid crystals [J. Magn. Reson. 130, 317 (1998)]. The sequence is based upon a 16-step phase cycling of the 2-step TPPM decoupling method for solids [J. Chem. Phys. 103, 6951 (1995)]. Since then, we have found that
Improvement on broadband decoupling in liquids
โ Scribed by B.M Fling
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 434 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0022-2364
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Heteronuclear scalar couplings lead to extensive line ceed a threshold, CHIRP-95 is best used with apodization of the RF amplitude profile at the beginning and end of the broadening in high-resolution NMR spectra, unless they are frequency sweep (13, 14). In independent work, Kupc หe and decoupled b
A new and efficient broadband decoupling sequence is presented. It is based on the phase cycling of two pulses with small phase angles. The pulse width is 180 degrees +/- 30 degrees, and the phase angle is +/-10 degrees-12 degrees. The sequence contains 16 elements, and is called SPARC-16 as an abbr