Proton NMR relaxation study of calcium aluminate hydrates was performed. The proton spin-lattice relaxation time (Tl,ef) was measured as a function of curing time at room temperature and at 65Β°C, respectively. At both temperatures a continuous decrease of Tl,efwith time was observed in the initial c
Hydration of choline salts studied by NMR relaxation
β Scribed by S.A. Attiga; D.D. Eley; M.J. Hey
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 406 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The cuncetttration dcpendenn-of Tt for prutons nnd dcutcrons in II=0 and UzO solutions of three choline salts is axxnzdtmsly high in dilute sohttions We su:Gtxt that this is due to formation of ctrrthr.&z hydrate shells. Ar~tylcholinr
π SIMILAR VOLUMES
The early stages of cement hydration were investlgated by proton spinspin relaxation time (T c) measurements because these experiments can be performed much faster (in several seconds) than the characterlstlc time for a change in hydration evolution. In addition, comparing the free induction decays
The dependence of the head-group mobility of DOPC-d 9 (dioleylphosphatidylcholine, deuterated at its choline methyl groups) on hydration has been studied in multibilayer dispersions by deuterium nuclear magnetic resonance (2H-NMR) spin-lattice (T~) relaxation time measurements. Both the mean amplitu