00550naa a2200157 a 450000100080000000500110000800800410001910000220006024501410008226000090022365300210023270000230025370000210027670000220029777300730031910249162009-02-20       2007    bl ---       0--  u    #d1 aAIROLDI, F. P. S.  aEvaluation of the electrochemical behavior of pentachlorophenol by cyclic voltammetry on carbon paste electrode modified by humic acids.  c2007  aÁcidos húmicos1 aSILVA, W. T. L. da1 aCRESPILHO, F. N.1 aREZENDE, M. O. O.  tWater environment research, Alexandriagv. 79, n. 1, p. 63-67, 2007.