%0 Journal Article %T Study of the complexation of Cu(II) by fulvic acids extracted from a sewage sludge and its compost %A da Silva, Joaquim C. G. Esteves %A Machado, Ade“lio A. S. C. %A Pinto, Marta S. S. D. S. %J Analytical and Bioanalytical Chemistry %V 357 %N 7 %P 950-957 %@ 1618-2642 %D 1997-03-27 %I Springer-Verlag %~ DeepDyve