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Volumn 109, Issue 10, 2005, Pages 2223-2232

Influence of Pb(II) on the radical properties of humic substances and model compounds

Author keywords

[No Author keywords available]

Indexed keywords

COMPLEXATION; ELECTRON SPIN RESONANCE SPECTROSCOPY; ELECTRONS; MATHEMATICAL MODELS; ORGANIC ACIDS; PARAMAGNETIC RESONANCE; PHOTOCHEMICAL REACTIONS; POSITIVE IONS; POTENTIAL ENERGY; PROBABILITY DENSITY FUNCTION;

EID: 15944407945     PISSN: 10895639     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp045121q     Document Type: Article
Times cited : (80)

References (83)
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    • Senesi, N.; Loffredo, E. In Soil Physical Chemistry; Sparks D. L. Ed.; CRC Press: Boca Raton, FL, 1999; pp 239-370.
    • (1999) Soil Physical Chemistry , pp. 239-370
    • Senesi, N.1    Loffredo, E.2
  • 14
    • 0004219204 scopus 로고
    • Aquatic Humic substances. Influence on Fate and Treatmant of Pollutants; Suffet, I. H., MacCarthy, P., Eds.; American Chemical Society: Washington, DC
    • (b) Sonnenberg, L. B.; Johnso, J. D.; Christman, R. F. In Aquatic Humic substances. Influence on Fate and Treatmant of Pollutants; Suffet, I. H., MacCarthy, P., Eds.; Advances in Chemistry Series 219; American Chemical Society: Washington, DC, 1989.
    • (1989) Advances in Chemistry Series , vol.219
    • Sonnenberg, L.B.1    Johnso, J.D.2    Christman, R.F.3
  • 20
    • 84971071916 scopus 로고
    • Blackie Academic & Professional: Glasgow, U.K.
    • Alloway, B., Ed. Heavy Metals in Soils; Blackie Academic & Professional: Glasgow, U.K., 1995.
    • (1995) Heavy Metals in Soils
    • Alloway, B.1
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    • 0000097150 scopus 로고    scopus 로고
    • Schleyer, P. v. R., Allinger. N. L., Kollmann, P. A., Clark, T., Schaefer, H. F. S., Gasteiger, J., Schreiner, P. R., Eds.; Wiley-VCH: Chichester, U.K.
    • (b) Weinhold, F. In Encyclopedia of Computational Chemistry; Schleyer, P. v. R., Allinger. N. L., Kollmann, P. A., Clark, T., Schaefer, H. F. S., Gasteiger, J., Schreiner, P. R., Eds.; Wiley-VCH: Chichester, U.K., 1998; Vol. 3, p 1792.
    • (1998) Encyclopedia of Computational Chemistry , vol.3 , pp. 1792
    • Weinhold, F.1
  • 72
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    • note
    • 64 originating from possible radical-radical interactions. In most cases we did not detect any additional EPR signal in that region. Only in cases where the samples were incubated at alkaline pH for long periods, i.e., 4 h or more, the g 2 EPR signals showed splittings accompanied by formation of g 4 "forbidden" transitions (data not shown). Thus, at prolonged incubation times, dimeric and then polymeric species start to form from the monomeric radicals. On the contrary, the radicals presented in Figure 3, formed under short incubation period, are monomeric radicals.


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