Model compounds of humic acid and oxovanadium cations. Potentiometric titration and EPR spectroscopy studies

Autor: Ivana Helena Zamuner Spir, Ana Lucia Ramalho Mercê, Ricardo Alberto Giannoni, Maria José Oruña Salmón, Antonio S. Mangrich

Publikováno v: Journal of the Brazilian Chemical Society, Volume: 10, Issue: 6, Pages: 463-468, Published: DEC 1999
Journal of the Brazilian Chemical Society, Vol 10, Iss 6, Pp 463-468 (1999)
Journal of the Brazilian Chemical Society v.10 n.6 1999
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

The stability constants and the isotropic EPR parameters Ao (hyperfine splitting constant) and g o (g value) were obtained by potentiometric titrations and EPR spectroscopy, respectively, of 85%v/v aqueous solutions of model compounds of humic acids

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