J. Braz. Chem. Soc. vol.17 número1

the first 50% of the runoff volume for each monitored rainfall event typically transported between 61 to 69% of the total suspended solids, zinc, copper, and lead loads..

where i corr and i corr ’ are the corrosion current densities without and with the addition of halide ions. The inhibition efficiencies were evaluated from the measured R p values

30 The location of the acyl moiety was supported by the long-range correlation of the oxymethine proton at δ H 5.26 (H-15) with the ester carbonyl signal at δ C 174.1, while the

For each of the bacterial dispersions and for all bacteria evaluated in this work, three low resolution Raman spectra were acquired with a integration time of 10 seconds and the

bromine, and ( ii ) the study of the cyclocondensation reactions of the brominated 2-trifluoroacetylcyclo- alkanones and 2-trifluoroacetylcycloalkanones with hydroxylamine

The identification of the fatty acids was accomplished by gas chromatography coupled with the mass spectrometer using a Shimadzu model GCMS-QP 5000 GC/MS fitted with a

ALSV profiles show a differentiation for the dissolution process of the individual metals and alloys, with potentials displacement in the dissolution processes for more and

The proposed preconcentration method consists of a simple and low cost procedure which permits the quantitative recovery of the elements Mn(II), Fe(III), Ni(II), Cu(II), Cd(II),