Ultrahigh-resolution 29Si NMR
✍ Scribed by Eriks Kupče; Edmunds Lukevics
- Publisher
- Elsevier Science
- Year
- 1988
- Weight
- 293 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0022-2364
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📜 SIMILAR VOLUMES
High-resolution solid-state 29Si NMR spectra of four (Y, 8, e~ and e) polymorphs of Ca2SiO 4 have been measured. The isotropic silicon 29Si chemical shifts lie between -73.5 and -70.1 ppm, and increasing coordination number of calcium leads to low-field 29Si shifts. The 29Si shifts in combination wi
## Abstract It is demonstrated using a practical example that indirect detection of ^29^Si NMR signals is sufficiently sensitive in LC–NMR stop‐flow arrangement to analyze mixtures of siloxane polymers. New cryogenic probes with better signal‐to‐noise ratio will turn this version of LC–NMR into a r