Electron paramagnetic resonance (EPR) studies on stable and transient radicals in humic acids from compost, soil, peat and brown coal

2000 ◽  
Vol 56 (2) ◽  
pp. 379-385 ◽  
Author(s):  
Adam Jezierski ◽  
Franciszek Czechowski ◽  
Maria Jerzykiewicz ◽  
Yona Chen ◽  
Jerzy Drozd
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Humic Acids ◽  
Brown Coal ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic ◽  
Compost Soil

Characterization of humic acids extracted from sewage sludge-amended oxisols by electron paramagnetic resonance

2006 ◽  
Vol 91 (1-2) ◽  
pp. 95-100 ◽  
Author(s):  
Martha González-Pérez ◽  
Ladislau Martin-Neto ◽  
Luiz Alberto Colnago ◽  
Débora M.B.P. Milori ◽  
Otávio Antonio de Camargo ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Sewage Sludge ◽  
Humic Acids ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

Electron paramagnetic resonance characteristics of the humic acids from a podzol

1985 ◽  
Vol 8 (6) ◽  
pp. 427-440 ◽  
Author(s):  
M.V. Cheshire ◽  
B.A. Goodman ◽  
D.B. McPhail ◽  
G.P. Sparling
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Humic Acids ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

scholarly journals A tentative approach to the molecular structure of humic acids: the spectral evidence for a derivation of humic acids from plant-borne esters. 1. The electron paramagnetic resonance (EPR) spectra.

1979 ◽  
Vol 27 (1) ◽  
pp. 79-91 ◽  
Author(s):  
G. Minderman
Keyword(s):  
Molecular Structure ◽  
Electron Paramagnetic Resonance ◽  
Humic Acids ◽  
Epr Spectra ◽  
Paramagnetic Resonance ◽  
Spectral Evidence ◽  
Heterogeneous Polymers ◽  
Electron Paramagnetic

It is suggested, from the evidence of EPR spectra, that humic acids are heterogeneous polymers of mixed esters derived from tannins. (Abstract retrieved from CAB Abstracts by CABI’s permission)

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