J. Braz. Chem. Soc. vol.21 número3

Since the eficiency of ozonation might be affected by salt additives and/or dye reagent impurities, preliminary tests were performed to assess dye purity and the presence

A multiresidue method for wet and freeze-dried (lyophylized) carrots samples was developed using PLE simultaneously with MSPD, having Florisil, XAD-4, XAD-7 and C18

The pitting corrosion susceptibility of the oxide ilms formed on the stainless-steel samples in the three situations (as received and grown in the presence and

The hydrogen molecule, as a case study, has been particularly illustrative due to the quadrupole nature of the CBOP electron energy-loss cross section, which presents an

To estimate the impact of aldehyde emissions at an airport on the air quality, formaldehyde and acetaldehyde concentrations were measured in the idle and taxiway areas of

The isomerization behavior of 4-(N-maleimido) azobenzene embedded in polymer matrices in comparison with that of low molecular weight azobenzene compounds provided

A method for the determination of polychlorinated biphenyls (PCB) in breast milk was developed and applied to evaluate the contamination of samples that proceed from

2D descriptors which Fishers’ weight value are above 95% of conidence interval (mean plus two times the standard deviation) (0.497) were selected, gathered,