Journal
Kaolinite has been examined at heating temperatures from 500 – 1100 oC. For each sample, the degrees of dissolution in acidic and basic media have bee...
| Issue №5, 2018 |
| Section: Science and production |
| Keywords: NMR spectroscopy, kaolinite, calcined clay. |
| Autor: C. Ruiz-Santaquiteria, J. Skibsted. |
The polymeric structure of a number of industrial dry polycarboxylate plasticizers produced at present was studied using NMR spectroscopy. The effect ...
| Issue №2, 2018 |
| Section: Science and production |
| Keywords: polycarboxylate plasticizers, structure, NMR spectroscopy, Portland cement, cement paste, workability, setting time, metakaolin, silica fume |
| Autor: A.S. Brykov, A.S. Panfilov, I.N. Medvedeva, M.V. Mokeev. |
The influence of pyrocatechin on hydration of Portland cement in dosages of 0.02-0.1% by weight was investigated by solid-state NMR spectroscopy o...
| Issue №6, 2016 |
| Section: Science and production |
| Keywords: pyrocatechin, Portland cement, hydration, setting, ettringite, NMR spectroscop |
| Autor: A.S. Brykov, N.S. Paritskaya, M.V. Mokeev. |
In this paper, results of a solid-state nuclear magnetic resonance (NMR) analysis of white Portland cements blended with different calcined cl...
| Issue №1, 2016 |
| Section: Science and production |
| Keywords: solid-state NMR spectroscopy, white Portland cement, calcined clay, kaolinite, metakaolin, montmorillonite |
| Autor: J. Skibsted, Z. Dai, K.E. Rasmussen, N. Garg. |
Solid-state MAS NMR spectroscopy and Density Functional Theory (DFT) calculations are shown to be unique experimental and theoretical tools to...
| Issue №6, 2010 |
| Section: Science and production |
| Keywords: alite; belite; guest-ion; substitution of ions; NMR spectroscopy; Density Functional Theory |
| Autor: T.T. Tran, S.L. Poulsen, B. Jansang, D. Herfort, H.J. Jakobsen, J. Skibsted. |
The present research has contributed to an improved knowledge on the incorporation of Al in the C-S-H phase in cement hydration products.The manner in...
| Issue №3, 2014 |
| Section: Science and production |
| Keywords: aluminium, the C—S—H phase, solid-state NMR spectroscopy, metakaolin |
| Autor: J. Skibsted. |