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Volumn 108, Issue 26, 2004, Pages 8920-8925

Formation of oxygen radicals in 12CaO·7Al2O3: Instability of extraframework oxide ions and uptake of oxygen gas

Author keywords

[No Author keywords available]

Indexed keywords

ANNEALING; CRYSTALLINE MATERIALS; DESORPTION; ENTHALPY; ENTROPY; FOURIER TRANSFORMS; KINETIC THEORY; LATTICE CONSTANTS; OXIDATION; PARAMAGNETIC RESONANCE; POSITIVE IONS; SCANNING ELECTRON MICROSCOPY; SURFACE REACTIONS; THERMODYNAMICS;

EID: 3142736592     PISSN: 15206106     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp037916n     Document Type: Article
Times cited : (59)

References (35)
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  • 5
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    • Nurse, R. W.; Welch, J. H.; Majumdar, A. J. Trans. Br. Ceram. Soc. 1965, 64, 323-332. Mach, J. A.; Glasser, L. S. D.; Glasser, F. P. Cem. Concr. Res. 1971, 1, 57-61. Zhmoidin, G. I.; Chatterjee, A. K. Cem. Concr. Res. 1984, 14, 386-396. Edmonds, R. N.; Majumdar, A. J. Cem. Concr. Res. 1988, 18, 473-478.
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    • Mach, J.A.1    Glasser, L.S.D.2    Glasser, F.P.3
  • 6
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    • Nurse, R. W.; Welch, J. H.; Majumdar, A. J. Trans. Br. Ceram. Soc. 1965, 64, 323-332. Mach, J. A.; Glasser, L. S. D.; Glasser, F. P. Cem. Concr. Res. 1971, 1, 57-61. Zhmoidin, G. I.; Chatterjee, A. K. Cem. Concr. Res. 1984, 14, 386-396. Edmonds, R. N.; Majumdar, A. J. Cem. Concr. Res. 1988, 18, 473-478.
    • (1984) Cem. Concr. Res. , vol.14 , pp. 386-396
    • Zhmoidin, G.I.1    Chatterjee, A.K.2
  • 7
    • 0024013957 scopus 로고
    • Nurse, R. W.; Welch, J. H.; Majumdar, A. J. Trans. Br. Ceram. Soc. 1965, 64, 323-332. Mach, J. A.; Glasser, L. S. D.; Glasser, F. P. Cem. Concr. Res. 1971, 1, 57-61. Zhmoidin, G. I.; Chatterjee, A. K. Cem. Concr. Res. 1984, 14, 386-396. Edmonds, R. N.; Majumdar, A. J. Cem. Concr. Res. 1988, 18, 473-478.
    • (1988) Cem. Concr. Res. , vol.18 , pp. 473-478
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  • 9
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    • (1987) Inorg. Chem. , vol.26 , pp. 1192-1195
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    • Lemonidou, A. A.; Vasalos I. A. Appl. Catal. 1989, 54, 119-138. Pant, K. K.; Kunzru, D. Ind. Eng. Chem. Res. 1997, 36, 2059-2065.
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  • 17
    • 0031170019 scopus 로고    scopus 로고
    • Lemonidou, A. A.; Vasalos I. A. Appl. Catal. 1989, 54, 119-138. Pant, K. K.; Kunzru, D. Ind. Eng. Chem. Res. 1997, 36, 2059-2065.
    • (1997) Ind. Eng. Chem. Res. , vol.36 , pp. 2059-2065
    • Pant, K.K.1    Kunzru, D.2
  • 22
    • 3142756028 scopus 로고    scopus 로고
    • Unpublished work
    • Unpublished work.
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    • Lunsford J. H. Catal. Rev. 1973, 8, 135-157. Che, M.; Tench, A. J. Adv. Catal. 1982, 31, 77-133.
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    • Lunsford, J.H.1
  • 25
    • 0346079807 scopus 로고
    • Lunsford J. H. Catal. Rev. 1973, 8, 135-157. Che, M.; Tench, A. J. Adv. Catal. 1982, 31, 77-133.
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  • 31
    • 3142762021 scopus 로고    scopus 로고
    • note
    • 2, due to discrepancy from the ideal gas.
  • 34
    • 3142783955 scopus 로고    scopus 로고
    • note
    • Exact solution of the diffusion equation is given in ref 24 by assuming that surface concentration is not constant and the flux across the surface is proportional to the difference between the actual concentration just within the surface and the concentration in equilibrium with the surrounding atmosphere. In this case, the value of M/M∞ has initially linear dependence on time.
  • 35
    • 3142736878 scopus 로고    scopus 로고
    • note
    • If the surface reaction controls slightly the flux across the surface, the evaluation of the diffusion constant from eq 8 involves an underestima tion. In this case, evaluated D̃ in Figure 8 gives a lower limit of the exact diffusivity.


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