Evidence of depolymerisation of amorphous silica at medium- and short-range order: XANES, NMR and CP-SEM contributions

Journal of Hazardous Materials

Volumn 168, Issue 2-3, 2009, Pages 1188-1191

  Khouchaf, L ^a   Hamoudi, A ^a   Cordier, P ^b  

^a ECOLE DES MINES DE DOUAI   (France)

^b UNIVERSITÉ LILLE 1   (France)

Author keywords

CP SEM; Degradation; NMR; SiO2; XANES

Indexed keywords

AMORPHOUS MATERIALS; DEGRADATION; OXYGEN; SCANNING ELECTRON MICROSCOPY; SILICA; SILICON OXIDES; X RAY ABSORPTION; X RAY ABSORPTION NEAR EDGE STRUCTURE SPECTROSCOPY;

AMORPHOUS SILICA; AMORPHOUS SIO2; CHEMICAL DEGRADATION; K-EDGE SPECTRA; SHORT RANGE ORDERING; SIO2; X-RAY ABSORPTION NEAR-EDGE STRUCTURE; XANES;

NUCLEAR MAGNETIC RESONANCE;

OXYGEN; SILICON DERIVATIVE; SILICON DIOXIDE;

AMORPHOUS MEDIUM; DEGRADATION; NUCLEAR MAGNETIC RESONANCE; POLYMERIZATION; PRESSURE EFFECT; SCANNING ELECTRON MICROSCOPY; SILICA; SPECTRAL ANALYSIS; XANES SPECTROSCOPY;

ALKALINITY; ARTICLE; ATOM; CHEMICAL ANALYSIS; CHEMICAL STRUCTURE; DEPOLYMERIZATION; NUCLEAR MAGNETIC RESONANCE; SCANNING ELECTRON MICROSCOPY; STRUCTURE ANALYSIS; X RAY DIFFRACTION; X RAY SPECTROMETRY;

EID: 67649798569     PISSN: 03043894     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2009.02.164     Document Type: Article

References (20)

1. Zhou T.H., Ruan W.H., Yang J.L., Rong M.Z., Zhang M.Q., and Zhang Z. A nouvel route for improving creep resistance of polymers using nanoparticles. Composites Science and Technology 21 (2007) 539
2. Ichikawa T., and Miura M. Modified model of alkali-silica reaction. Cement and Concrete Research 37 (2007) 1291
3. L.S. Dent Glasser, N. Kataoka, The chemistry of alkali-aggregate reaction, in: Proceeding of the 5th ICAAR, Cape Town (South Africa), National Building Research Institute of CSIR, 1981, p. 7.
4. S. Chatterji, N. Thaulow, Some fundamental aspect of alkali-silica reaction, in: Berube, et al. (Eds.), Proceeding of the 11th International Conference in Alkali-Aggregate Reaction in Concrete, Quebec, Canada, 2000, p. 21.
5. M.A.T.M. Broekmans, The quality of quartz and its susceptibility for ASR, Materials Characterization (53/2-4), Special Issue (29) (2004) 129.
6. 2 case. Journal of Materials Science 42 (2007) 2455
7. 2 materials by scanning electron microscope and micro fluorescence XAS techniques. Nuclear Instruments and Methods B 252 (2006) 333
8. 2 heterogeneous material with helium and water vapor. Vacuum 81 (2007) 599
9. 2 aggregate. Physica Scripta T115 (2005) 552
10. Khouchaf L., and Verstraete J. X-ray microanalysis in the Environment scanning electron microscope (ESEM): small size particles analysis limits. Journal de Physique IV 12 (2002) 341
11. Khouchaf L., and Verstraete J. Electron scattering by gas in the environmental scanning electron microscope (ESEM): effects on the image quality and on the X-ray microanalysis. Journal de Physique IV 118 (2004) 237
12. Flank A.M., Cauchon G., Lagarde P., Bac S., Janousch M., Wetter R., Dubuisson J.M., Langlois F., Idir M., Moreno T., and Vantelon D. LUCIA, a microfocus soft XAS beamline. Nuclear Instruments and Methods B 246 1 (2006) 269
13. R.J. Kirkpatrick, MAS NMR spectroscopy of minerals and glasses, in: F.C. Hawthorne (Ed.), Spectroscopic Methods in Mineralogy and Geology, vol. 18, 1988, p. 341.
14. Cong X.D., Kirkpatrick R.J., and Diamond S. Silicon-29 MAS NMR spectroscopic investigation of alkali silica reaction product gels. Cement & Concrete Research 23 (1993) 811
15. 29Si MAS NMR study of the structure of calcium silicate hydrate. Advanced Cement Based Materials 3 (1996) 144
16. J. Minet, Synthèse et caractérisation de silicates de calcium hydrates hybrids, PhD thesis, Université Paris XI, Orsay France, 2003.
17. 2,3-edge XANES of α quartz and stishovite. Solid State Communication 87 7 (1993) 613
18. 2) polymorphs; the structural characterization of opal. American Mineralogist 79 (1994) 622
19. Belot V., Corriu R.J.P., Leclercq D., Lefèvre P., Mutin P.H., Vioux A., and Flank A.M. Sol-gel route to silicon suboxides. Preparation and characterization of silicon sesquioxide. Journal of Non-Crystalline Solids 127 (1991) 207
20. Flank A.M., Karnatak R.C., Blancad C., Esteva J.M., Lagarde P., and Connerade J.P. Probing matrix isolated SiO molecular clusters by X-ray absorption spectroscopy. Zeitschrift der Physik, Reihe D: Atoms, Molecules and Clusters 21 (1991) 357