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, L. E. , Nelson , D. W. and West , D. X. ( 1981 ): The mechanism of copper (II) binding by humic acid: an electron spin resonance study of a copper (II)-humic acid complex and some adducts with nitrogen donors . Soil Sci. Soc. Am. J. 45 , 745
. X. ( 1981 ): The mechanism of copper (II) binding by humic acid: an electron spin resonance study of a copper (II)-humic acid complex and some adducts with nitrogen donors . Soil Sci. Soc. Am. J. 45 , 745 – 749
. Immunopathol. 114 , 209 – 223 . doi: http://dx.doi.org/10.1016/j.vetimm.2006.07.007 Islam , K. M. S. , Schumacher , A. and Gropp , J. ( 2005 ): Humic acid substances in animal
. O ndrasek , G. , R engel , Z. , R omic , D. , 2018 . Humic acids decrease uptake and distribution of trace metals, but not the growth of radish exposed to cadmium toxicity . Ecotoxicology and Environmental Safety . 151 . 55 – 61
food supplement containing the active ingredients spirulina protein extract and humic acid and the excipients calcium hydrogen phosphate, magnesium stearate, maize starch, and povidone, is chosen as placebo. The tablets are previously finely powdered in
apparatus. The solvents were evaporated to 2–3 mL n -hexane under vacuum. The extracts were then combined and desulfurized by using tetrabutylammonium (TBA) sulfite clean-up. Humic acids were removed from the extracts by concentrated H 2 SO 4 (98%). This
18. Shehata AA , Kühnert M , Haufe S , Krüger M . Neutralization of the antimicrobial effect of glyphosate by humic acid in vitro . Chemosphere . 2014 ; 104 : 258
content and most likely high concentrations of humic acids derived from the anaerobically decaying plant remains. Therefore, it is reasonable to assume the presence of a chemical buffer that neutralized the acidic conditions characterizing such
