On the interpretation of 1H 2-dimensional NMR relaxation exchange spectra in cements: Is there exchange between pores with two characteristic sizes or Fe3+ concentrations?

Cement and Concrete Research

Volumn 40, Issue 9, 2010, Pages 1375-1377

  Valori, A ^a   Rodin, V ^a   McDonald, P J ^a  

^a UNIVERSITY OF SURREY   (United Kingdom)

Author keywords

B Calcium silicate hydrate (C S H); B Microstructure; B Pore size distribution; Nuclear magnetic resonance (NMR)

Indexed keywords

B CALCIUM-SILICATE-HYDRATE (C-S-H); B MICROSTRUCTURE; B PORE SIZE DISTRIBUTION; CALCIUM SILICATE HYDRATE; CEMENT PASTE; CHARACTERISTIC SIZE; DIFFERENT PORE SIZES; NMR RELAXATION; PARAMAGNETIC IMPURITY;

CALCIUM; CEMENTS; HYDRATES; HYDRATION; MICROSTRUCTURE; NUCLEAR MAGNETIC RESONANCE; PARAMAGNETIC MATERIALS; PORE SIZE; RESONANCE; SILICATES; SIZE DISTRIBUTION;

CALCIUM SILICATE;

EID: 77955329367     PISSN: 00088846     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cemconres.2010.03.022     Document Type: Article

References (7)

1. F. D'Orazio, J.C. Tarczon, W.P. Halperin, K. Eguchi, and T. Mizusaki Molecular diffusion and nuclear-magnetic-resonance relaxation of water in unsaturated porous silica glass Phys. Rev. B 42 1990 9810 9818
2. P.J. McDonald, J.-P. Korb, J. Mitchell, and L. Monteilhet Surface relaxation and chemical exchange in hydrating cement pastes: a two-dimensional NMR relaxation study Phys. Rev., E 72 2005 011409
3. 2 2-dimensional correlation relaxation study of cement pastes Phys. Rev. E 74 2006 061404
4. Informal discussion, NANOCEM open meeting 2006.
5. 1H NMR, PhD Thesis, University of Surrey, available at: http://www.nanocem.org/ fileadmin/nanocem-files/documents/MC-RTN/Projects/Project-4/thesis-valori-final. pdf.
6. S.-Y. Hong, and F.P. Glasser Alkali binding in cement pastes: Part I. The C-S-H phase Cement and Concrete Research 29 1999 1893 1903
7. P.J. McDonald, V. Rodin, A. Valori, Characterisation of intra-and inter-particle C-S-H gel pore water in white cement based on an analysis of NMR signal amplitudes as a function of water content. Submitted to Cement and Concrete Research.